SIC 6199 Finance Services

American Express Company vs Nu Holdings Ltd.

WatchlistAXP / NUPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($214B vs $70B) with SEC SIC 6199 (Finance Services).

Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.

  • Co-movement: daily return correlation, 252 sessions: 0.36 (needs >= 0.60)
  • Mean reversion: ADF t-statistic of the spread: -2.36 (needs <= -2.873 (5% critical value))
Business leadership

Business size

Annual revenue reported to the SEC. Scale, not market share.

YearAXPNULarger
2025$41.3B--
2024$38.8B--
2023$37.2B--
2022$34.2B--
2021$27.7B--
2020$22.0B--

Market value: AXP $213.7B, NU $70.5B.

Stock leadership

Neither is clearly ahead

Measured against the pair's own last 252 trading days.

The gap is 0.23 standard deviations, close to the usual relationship. 4 lead switches in the last year.

Price change3 mo6 mo12 mo
AXP-0.3%+2.1%-8.5%
NU+4.5%+1.9%-3.3%
Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 1222 (needs >= 254)
Fail
Co-movement: daily return correlation, 252 sessions: 0.36 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -2.36 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 14.32 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

AXP American Express Company NU Nu Holdings Ltd.Price index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
100Oct 2024Oct 2025Oct 2026AXP 117NU 102
Spread z-score: AXP relative to NU, against the 252 sessions before each day. Above 0: AXP ahead; below 0: NU ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateAXP indexNU indexzAhead
2026-10-22117.48101.94-0.23near the usual relationship
2026-10-21116.92104.15-0.54NU ahead
2026-10-20115.01104.43-0.78NU ahead
2026-10-19114.31100.42-0.38near the usual relationship
2026-10-16113.30100.76-0.53NU ahead
2026-10-15113.40101.94-0.66NU ahead
2026-10-14110.90103.32-1.09NU ahead
2026-10-13111.94107.82-1.50NU ahead
2026-10-12112.55110.80-1.78NU ahead
2026-10-09111.34111.56-2.01NU ahead
2026-10-08111.31106.44-1.45NU ahead
2026-10-07109.92107.82-1.77NU ahead
2026-10-06110.03108.37-1.84NU ahead
2026-10-05109.84105.05-1.49NU ahead
2026-10-02109.3992.94-0.01near the usual relationship
2026-10-01109.1491.97+0.09near the usual relationship
2026-09-30109.8787.61+0.78AXP ahead
2026-09-29110.3485.47+1.15AXP ahead
2026-09-28110.6784.64+1.32AXP ahead
2026-09-25111.6094.05+0.12near the usual relationship
2026-09-24110.4393.84+0.02near the usual relationship
2026-09-23109.0994.26-0.19near the usual relationship
2026-09-22110.2297.99-0.54NU ahead
2026-09-21113.3097.30-0.11near the usual relationship
2026-09-18112.5694.46+0.18near the usual relationship
2026-09-17112.4295.78+0.00near the usual relationship
2026-09-16112.8895.57+0.08near the usual relationship
2026-09-15117.2198.20+0.21near the usual relationship
2026-09-14118.4299.72+0.15near the usual relationship
2026-09-11117.31101.18-0.14near the usual relationship
2026-09-10115.87103.94-0.62NU ahead
2026-09-09116.26103.81-0.56NU ahead
2026-09-08117.81106.09-0.67NU ahead
2026-09-04117.84106.37-0.70NU ahead
2026-09-03119.16108.51-0.81NU ahead
2026-09-02119.22106.57-0.58NU ahead
2026-09-01117.12100.07-0.03near the usual relationship
2026-08-31119.29100.69+0.12near the usual relationship
2026-08-28120.3898.96+0.45near the usual relationship
2026-08-27120.73102.98+0.00near the usual relationship
2026-08-26121.45104.98-0.17near the usual relationship
2026-08-25121.37104.78-0.15near the usual relationship
2026-08-24121.87102.15+0.21near the usual relationship
2026-08-21121.39100.90+0.31near the usual relationship
2026-08-20119.6498.34+0.45near the usual relationship
2026-08-19122.80101.11+0.43near the usual relationship
2026-08-18122.3099.31+0.60AXP ahead
2026-08-17121.47102.01+0.18near the usual relationship
2026-08-14123.73105.40+0.00near the usual relationship
2026-08-13124.1696.40+1.13AXP ahead
2026-08-12124.3193.84+1.48AXP ahead
2026-08-11123.1394.46+1.29AXP ahead
2026-08-10122.4295.92+1.03AXP ahead
2026-08-07123.1795.78+1.13AXP ahead
2026-08-06123.7897.72+0.94AXP ahead
2026-08-05126.08100.21+0.86AXP ahead
2026-08-04125.2699.17+0.90AXP ahead
2026-08-03124.5499.93+0.74AXP ahead
2026-07-31121.4899.17+0.52AXP ahead
2026-07-30121.94100.28+0.43near the usual relationship
2026-07-29119.7797.16+0.59AXP ahead
2026-07-28121.62101.59+0.23near the usual relationship
2026-07-27121.17100.55+0.31near the usual relationship
2026-07-24117.8497.51+0.34near the usual relationship
2026-07-23123.1498.20+0.79AXP ahead
2026-07-22125.99100.42+0.80AXP ahead
2026-07-21126.7499.58+0.98AXP ahead
2026-07-20127.1596.82+1.37AXP ahead
2026-07-17128.3894.05+1.86AXP ahead
2026-07-16130.6395.43+1.91AXP ahead
2026-07-15129.5096.06+1.74AXP ahead
2026-07-14128.2896.82+1.52AXP ahead
2026-07-13128.0594.60+1.80AXP ahead
2026-07-10126.6695.22+1.59AXP ahead
2026-07-09125.2694.60+1.54AXP ahead
2026-07-08121.5392.53+1.45AXP ahead
2026-07-07126.3094.19+1.72AXP ahead
2026-07-06128.6397.30+1.55AXP ahead
2026-07-02127.1694.19+1.83AXP ahead
2026-07-01125.7392.66+1.91AXP ahead
2026-06-30122.2092.46+1.58AXP ahead
2026-06-29123.1590.87+1.92AXP ahead
2026-06-26122.9791.14+1.88AXP ahead
2026-06-25123.7386.23+2.74AXP ahead
2026-06-24123.7686.23+2.78AXP ahead
2026-06-23122.0387.13+2.48AXP ahead
2026-06-22122.1488.51+2.30AXP ahead
2026-06-18122.1187.96+2.41AXP ahead
2026-06-17123.0389.20+2.35AXP ahead
2026-06-16123.1088.03+2.57AXP ahead
2026-06-15121.1786.02+2.70AXP ahead
2026-06-12117.5884.36+2.59AXP ahead
2026-06-11115.0783.67+2.42AXP ahead
2026-06-10113.2080.42+2.78AXP ahead
2026-06-09115.0382.21+2.72AXP ahead
2026-06-08112.8380.28+2.83AXP ahead
2026-06-05112.2482.84+2.30AXP ahead
2026-06-04112.9183.88+2.21AXP ahead
2026-06-03108.5980.55+2.25AXP ahead
2026-06-02112.3582.56+2.41AXP ahead
2026-06-01113.2889.90+1.24AXP ahead
2026-05-29114.3490.87+1.22AXP ahead
2026-05-28113.8590.31+1.24AXP ahead
2026-05-27112.9290.17+1.14AXP ahead
2026-05-26112.2689.83+1.11AXP ahead
2026-05-22112.6488.10+1.47AXP ahead
2026-05-21111.8991.07+0.86AXP ahead
2026-05-20111.9388.51+1.31AXP ahead
2026-05-19111.7585.05+1.91AXP ahead
2026-05-18112.8185.05+2.08AXP ahead
2026-05-15113.2684.36+2.30AXP ahead
2026-05-14113.0089.48+1.35AXP ahead
2026-05-13111.8688.72+1.33AXP ahead
2026-05-12113.5691.83+1.03AXP ahead
2026-05-11112.8493.43+0.66AXP ahead
2026-05-08114.1895.50+0.50AXP ahead
2026-05-07115.1498.69+0.11near the usual relationship
2026-05-06116.30100.21+0.03near the usual relationship
2026-05-05114.1598.62-0.01near the usual relationship
2026-05-04115.3397.99+0.25near the usual relationship
2026-05-01115.5099.93-0.03near the usual relationship
2026-04-30116.71100.21+0.09near the usual relationship
2026-04-29114.0497.16+0.22near the usual relationship
2026-04-28114.13100.35-0.28near the usual relationship
2026-04-27115.19101.31-0.29near the usual relationship
2026-04-24113.47100.42-0.39near the usual relationship
2026-04-23115.09100.07-0.11near the usual relationship
2026-04-22120.27102.77+0.16near the usual relationship
2026-04-21119.15104.15-0.20near the usual relationship
2026-04-20119.18104.50-0.25near the usual relationship
2026-04-17119.83106.16-0.42near the usual relationship
2026-04-16117.69106.78-0.81NU ahead
2026-04-15118.88106.16-0.56NU ahead
2026-04-14118.13106.23-0.68NU ahead
2026-04-13116.99103.46-0.42near the usual relationship
2026-04-10113.26103.53-0.94NU ahead
2026-04-09114.81102.91-0.64NU ahead
2026-04-08114.29100.42-0.34near the usual relationship
2026-04-07110.9397.92-0.42near the usual relationship
2026-04-06110.4698.69-0.61NU ahead
2026-04-02108.4597.92-0.78NU ahead
2026-04-01108.9199.93-1.02NU ahead
2026-03-31109.2899.45-0.90NU ahead
2026-03-30107.4893.49-0.24near the usual relationship
2026-03-27105.5994.12-0.60NU ahead
2026-03-26108.1797.02-0.70NU ahead
2026-03-25108.4799.10-0.98NU ahead
2026-03-24109.1198.20-0.77NU ahead
2026-03-23109.08101.59-1.29NU ahead
2026-03-20106.7696.47-0.84NU ahead
2026-03-19106.5597.99-1.11NU ahead
2026-03-18106.3696.68-0.94NU ahead
2026-03-17108.4898.62-0.95NU ahead
2026-03-16107.7498.75-1.08NU ahead
2026-03-13108.3796.12-0.60NU ahead
2026-03-12109.0796.68-0.59NU ahead
2026-03-11110.55100.28-0.94NU ahead
2026-03-10109.52102.98-1.48NU ahead
2026-03-09110.33101.52-1.17NU ahead
2026-03-06108.75100.90-1.30NU ahead
2026-03-05110.99102.56-1.24NU ahead
2026-03-04112.44103.81-1.22NU ahead
2026-03-03111.21102.15-1.15NU ahead
2026-03-02111.07105.12-1.58NU ahead
2026-02-27111.60103.67-1.33NU ahead
2026-02-26121.15104.22-0.27near the usual relationship
2026-02-25118.17115.22-2.01NU ahead
2026-02-24115.78114.39-2.20NU ahead
2026-02-23116.06112.04-1.90NU ahead
2026-02-20125.07121.31-1.99NU ahead
2026-02-19123.79119.86-1.99NU ahead
2026-02-18125.09118.82-1.74NU ahead
2026-02-17124.47116.40-1.53NU ahead
2026-02-13121.93116.40-1.84NU ahead
2026-02-12123.88117.92-1.82NU ahead
2026-02-11127.90120.48-1.68NU ahead
2026-02-10131.22121.59-1.46NU ahead
2026-02-09129.94121.45-1.60NU ahead
2026-02-06129.76120.42-1.51NU ahead
2026-02-05128.12116.33-1.20NU ahead
2026-02-04127.78117.79-1.43NU ahead
2026-02-03126.32125.40-2.56NU ahead
2026-02-02127.47125.33-2.46NU ahead
2026-01-30127.23122.84-2.21NU ahead
2026-01-29129.52129.83-2.83NU ahead
2026-01-28128.98129.83-2.95NU ahead
2026-01-27129.86128.37-2.70NU ahead
2026-01-26131.24125.81-2.24NU ahead
2026-01-23130.67124.84-2.20NU ahead
2026-01-22132.96124.57-1.90NU ahead
2026-01-21129.92119.31-1.60NU ahead
2026-01-20127.24117.44-1.68NU ahead
2026-01-16131.79114.88-0.81NU ahead
2026-01-15129.11114.95-1.13NU ahead
2026-01-14129.43115.16-1.13NU ahead
2026-01-13129.34114.60-1.07NU ahead
2026-01-12129.91117.92-1.43NU ahead
2026-01-09135.70120.83-1.16NU ahead
2026-01-08138.36121.87-1.00NU ahead
2026-01-07136.65121.11-1.10NU ahead
2026-01-06138.57123.60-1.19NU ahead
2026-01-05137.22124.15-1.39NU ahead
2026-01-02134.66117.79-0.92NU ahead
2025-12-31133.66115.85-0.80NU ahead
2025-12-30134.90116.82-0.79NU ahead
2025-12-29135.60115.29-0.55NU ahead
2025-12-26137.67115.99-0.44near the usual relationship
2025-12-24138.41115.85-0.36near the usual relationship
2025-12-23138.08115.99-0.41near the usual relationship
2025-12-22137.60115.02-0.36near the usual relationship
2025-12-19136.03113.08-0.29near the usual relationship
2025-12-18135.67112.60-0.28near the usual relationship
2025-12-17135.70109.76+0.04near the usual relationship
2025-12-16137.56112.11-0.06near the usual relationship
2025-12-15138.22115.22-0.34near the usual relationship
2025-12-12138.21116.96-0.53NU ahead
2025-12-11139.05116.40-0.40near the usual relationship
2025-12-10135.69115.50-0.61NU ahead
2025-12-09131.48115.43-1.01NU ahead
2025-12-08130.89115.02-1.03NU ahead
2025-12-05133.80115.57-0.82NU ahead
2025-12-04134.09122.15-1.49NU ahead
2025-12-03133.00120.69-1.46NU ahead
2025-12-02130.32121.87-1.85NU ahead
2025-12-01130.17120.97-1.78NU ahead
2025-11-28131.97120.35-1.54NU ahead
2025-11-26131.50119.38-1.49NU ahead
2025-11-25131.02114.95-1.06NU ahead
2025-11-24128.59110.17-0.76NU ahead
2025-11-21127.49109.97-0.84NU ahead
2025-11-20124.21106.02-0.70NU ahead
2025-11-19124.51108.37-0.93NU ahead
2025-11-18123.08106.02-0.79NU ahead
2025-11-17123.29107.96-0.96NU ahead
2025-11-14129.04109.48-0.56NU ahead
2025-11-13131.77107.89-0.12near the usual relationship
2025-11-12134.68111.97-0.29near the usual relationship
2025-11-11133.73113.43-0.50NU ahead
2025-11-10132.91110.87-0.30near the usual relationship
2025-11-07133.15109.83-0.17near the usual relationship
2025-11-06132.13110.31-0.29near the usual relationship
2025-11-05132.16111.90-0.43near the usual relationship
2025-11-04130.24109.34-0.32near the usual relationship
2025-11-03130.65111.63-0.49near the usual relationship
2025-10-31130.33111.49-0.48near the usual relationship
2025-10-30129.66111.14-0.49near the usual relationship
2025-10-29129.42111.35-0.51NU ahead
2025-10-28130.43110.24-0.32near the usual relationship
2025-10-27130.67110.73-0.33near the usual relationship
2025-10-24129.18109.62-0.33near the usual relationship
2025-10-23128.23110.03-0.43near the usual relationship
2025-10-22127.17104.91-0.05near the usual relationship
2025-10-21128.34105.47+0.00near the usual relationship
2025-10-20126.26106.64-0.26near the usual relationship
2025-10-17125.23103.81-0.07near the usual relationship
2025-10-16116.74101.94-0.55NU ahead
2025-10-15119.46105.05-0.61NU ahead
2025-10-14120.25103.18-0.38near the usual relationship
2025-10-13116.74104.36-0.76NU ahead
2025-10-10114.26103.25-0.85NU ahead
2025-10-09117.22106.37-0.89NU ahead
2025-10-08116.99106.99-0.96NU ahead
2025-10-07118.49104.71-0.64NU ahead
2025-10-06119.94106.44-0.68NU ahead
2025-10-03119.31105.95-0.68NU ahead
2025-10-02119.40105.33-0.61NU ahead
2025-10-01118.70105.12-0.64NU ahead
2025-09-30120.00110.80-1.01NU ahead
2025-09-29123.67110.38-0.69NU ahead
2025-09-26123.44109.20-0.60NU ahead
2025-09-25122.90109.20-0.63NU ahead
2025-09-24123.01110.80-0.74NU ahead
2025-09-23123.37111.76-0.78NU ahead
2025-09-22123.19112.80-0.86NU ahead
2025-09-19123.24111.90-0.77NU ahead
2025-09-18123.44110.66-0.65NU ahead
2025-09-17121.39110.45-0.76NU ahead
2025-09-16118.15109.97-0.94NU ahead
2025-09-15118.23110.10-0.93NU ahead
2025-09-12117.53108.58-0.85NU ahead
2025-09-11118.98108.10-0.71NU ahead
2025-09-10116.82107.34-0.79NU ahead
2025-09-09117.18106.99-0.73NU ahead
2025-09-08117.57105.33-0.57NU ahead
2025-09-05117.86102.01-0.28near the usual relationship
2025-09-04119.46102.91-0.23near the usual relationship
2025-09-03116.95103.11-0.41near the usual relationship
2025-09-02119.65102.84-0.20near the usual relationship
2025-08-29119.69102.42-0.16near the usual relationship
2025-08-28118.14102.21-0.23near the usual relationship
2025-08-27116.50101.31-0.26near the usual relationship
2025-08-26115.8398.55-0.09near the usual relationship
2025-08-25114.0998.48-0.19near the usual relationship
2025-08-22115.3196.47+0.05near the usual relationship
2025-08-21111.3494.60-0.06near the usual relationship
2025-08-20111.4294.26-0.02near the usual relationship
2025-08-19110.5990.80+0.20near the usual relationship
2025-08-18110.9392.25+0.12near the usual relationship
2025-08-15110.3690.66+0.21near the usual relationship
2025-08-14111.1883.11+0.89AXP ahead
2025-08-13110.8785.61+0.66AXP ahead
2025-08-12109.5584.71+0.66AXP ahead
2025-08-11107.0282.49+0.69AXP ahead
2025-08-08107.4685.12+0.50AXP ahead
2025-08-07106.4885.88+0.37near the usual relationship
2025-08-06106.7784.57+0.51AXP ahead
2025-08-05107.1784.08+0.58AXP ahead
2025-08-04107.8883.25+0.70AXP ahead
2025-08-01106.3283.39+0.59AXP ahead
2025-07-31108.1484.57+0.61AXP ahead
2025-07-30109.6287.34+0.49near the usual relationship
2025-07-29111.4787.40+0.61AXP ahead
2025-07-28112.2787.27+0.67AXP ahead
2025-07-25112.5888.10+0.63AXP ahead
2025-07-24111.3788.24+0.55AXP ahead
2025-07-23111.5189.69+0.45near the usual relationship
2025-07-22109.8888.51+0.45near the usual relationship
2025-07-21109.4689.20+0.37near the usual relationship
2025-07-18111.2690.10+0.42near the usual relationship
2025-07-17113.9396.82+0.09near the usual relationship
2025-07-16112.6895.85+0.09near the usual relationship
2025-07-15112.2393.70+0.22near the usual relationship
2025-07-14115.9490.45+0.70AXP ahead
2025-07-11115.4288.79+0.80AXP ahead
2025-07-10117.5090.17+0.82AXP ahead
2025-07-09114.6594.39+0.35near the usual relationship
2025-07-08114.5294.05+0.37near the usual relationship
2025-07-07116.6092.46+0.61AXP ahead
2025-07-03118.5594.12+0.61AXP ahead
2025-07-02117.6493.36+0.62AXP ahead
2025-07-01116.5394.39+0.49near the usual relationship
2025-06-30115.2494.95+0.38near the usual relationship
2025-06-27114.6091.70+0.58AXP ahead
2025-06-26112.5192.66+0.39near the usual relationship
2025-06-25111.4991.56+0.42near the usual relationship
2025-06-24111.4192.94+0.32near the usual relationship
2025-06-23108.2585.40+0.69AXP ahead
2025-06-20107.8884.01+0.78AXP ahead
2025-06-18107.0984.71+0.69AXP ahead
2025-06-17105.7983.74+0.69AXP ahead
2025-06-16106.3085.74+0.57AXP ahead
2025-06-13103.9782.35+0.69AXP ahead
2025-06-12107.6683.04+0.88AXP ahead
2025-06-11108.0688.30+0.50AXP ahead
2025-06-10108.2182.84+0.94AXP ahead
2025-06-09108.9582.49+1.02AXP ahead
2025-06-06109.2884.08+0.92AXP ahead
2025-06-05106.9383.81+0.80AXP ahead
2025-06-04106.9182.63+0.90AXP ahead
2025-06-03107.4482.98+0.91AXP ahead
2025-06-02106.7083.04+0.87AXP ahead
2025-05-30106.2483.11+0.84AXP ahead
2025-05-29106.7282.98+0.89AXP ahead
2025-05-28105.9984.43+0.73AXP ahead
2025-05-27106.1382.63+0.89AXP ahead
2025-05-23103.0582.98+0.67AXP ahead
2025-05-22103.7584.78+0.57AXP ahead
2025-05-21103.3382.98+0.69AXP ahead
2025-05-20107.0088.37+0.51AXP ahead
2025-05-19108.1390.66+0.41near the usual relationship
2025-05-16108.2890.31+0.45near the usual relationship
2025-05-15108.2290.87+0.41near the usual relationship
2025-05-14108.4293.36+0.24near the usual relationship
2025-05-13109.2290.93+0.47near the usual relationship
2025-05-12108.0089.62+0.49near the usual relationship
2025-05-09102.7988.79+0.23near the usual relationship
2025-05-08102.4888.58+0.23near the usual relationship
2025-05-0799.8085.61+0.28near the usual relationship
2025-05-0699.4986.09+0.22near the usual relationship
2025-05-05100.4586.30+0.27near the usual relationship
2025-05-02100.0286.16+0.26near the usual relationship
2025-05-0197.0285.40+0.11near the usual relationship
2025-04-3096.2586.02+0.01near the usual relationship
2025-04-2996.4785.88+0.04near the usual relationship
2025-04-2895.7284.01+0.13near the usual relationship
2025-04-2595.6783.11+0.20near the usual relationship
2025-04-2496.5881.31+0.41near the usual relationship
2025-04-2393.9879.52+0.38near the usual relationship
2025-04-2291.2077.44+0.36near the usual relationship
2025-04-2187.6274.12+0.39near the usual relationship
2025-04-1790.7976.12+0.45near the usual relationship
2025-04-1691.3874.74+0.62AXP ahead
2025-04-1593.1675.02+0.73AXP ahead
2025-04-1492.2673.70+0.79AXP ahead
2025-04-1190.7373.01+0.75AXP ahead
2025-04-1089.2070.93+0.83AXP ahead
2025-04-0994.7975.57+0.82AXP ahead
2025-04-0883.6069.00+0.60AXP ahead
2025-04-0784.6467.27+0.86AXP ahead
2025-04-0484.4366.44+0.93AXP ahead
2025-04-0389.5371.07+0.88AXP ahead
2025-04-0299.4473.29+1.39AXP ahead
2025-04-0197.7272.18+1.39AXP ahead
2025-03-3197.2070.87+1.49AXP ahead
2025-03-2895.9171.63+1.34AXP ahead
2025-03-2798.2876.75+1.04AXP ahead
2025-03-2699.7175.57+1.25AXP ahead
2025-03-25100.9078.75+1.06AXP ahead
2025-03-24100.3980.90+0.85AXP ahead
2025-03-2197.7380.21+0.73AXP ahead
2025-03-2097.8578.89+0.86AXP ahead
2025-03-1997.7882.70+0.54AXP ahead
2025-03-1894.9279.58+0.60AXP ahead
2025-03-1795.5281.80+0.46near the usual relationship
2025-03-1495.9781.18+0.55AXP ahead
2025-03-1392.6474.39+0.91AXP ahead
2025-03-1294.2075.36+0.94AXP ahead
2025-03-1192.2773.36+0.99AXP ahead
2025-03-1094.4170.03+1.48AXP ahead
2025-03-0798.7174.81+1.35AXP ahead
2025-03-0699.5873.70+1.52AXP ahead
2025-03-05102.6775.22+1.61AXP ahead
2025-03-04102.4172.39+1.88AXP ahead
2025-03-03106.7672.46+2.19AXP ahead
2025-02-28108.7374.39+2.17AXP ahead
2025-02-27106.2977.85+1.70AXP ahead
2025-02-26106.9879.45+1.61AXP ahead
2025-02-25105.9877.58+1.73AXP ahead
2025-02-24106.7776.26+1.93AXP ahead
2025-02-21106.7274.88+2.09AXP ahead
2025-02-20109.7892.32+0.76AXP ahead
2025-02-19111.9793.29+0.83AXP ahead
2025-02-18113.0393.70+0.87AXP ahead
2025-02-14112.3794.81+0.75AXP ahead
2025-02-13111.1095.43+0.62AXP ahead
2025-02-12110.7094.39+0.67AXP ahead
2025-02-11111.8496.47+0.59AXP ahead
2025-02-10112.0996.54+0.60AXP ahead
2025-02-07114.4495.02+0.87AXP ahead
2025-02-06115.6795.36+0.93AXP ahead
2025-02-05115.8093.84+1.06AXP ahead
2025-02-04114.1092.04+1.10AXP ahead
2025-02-03114.3690.93+1.21AXP ahead
2025-01-31114.6991.63+1.17AXP ahead
2025-01-30115.2393.01+1.10AXP ahead
2025-01-29113.9086.85+1.54AXP ahead
2025-01-28114.5487.47+1.54AXP ahead
2025-01-27114.3285.26+1.74AXP ahead
2025-01-24116.1085.40+1.86AXP ahead
2025-01-23117.7384.36+2.09AXP ahead
2025-01-22116.4282.98+2.16AXP ahead
2025-01-21114.8779.45+2.43AXP ahead
2025-01-17112.9279.79+2.29AXP ahead
2025-01-16112.5378.06+2.48AXP ahead
2025-01-15112.8478.96+2.45AXP ahead
2025-01-14108.5275.50+2.54AXP ahead
2025-01-13107.3176.68+2.35AXP ahead
2025-01-10105.9675.78+2.38AXP ahead
2025-01-08109.4277.09+2.54AXP ahead
2025-01-07109.1277.23+2.54AXP ahead
2025-01-06109.0677.16+2.58AXP ahead
2025-01-03109.5075.92+2.80AXP ahead
2025-01-02107.8273.56+2.99AXP ahead
2024-12-31107.2371.70+3.24AXP ahead
2024-12-30107.4273.70+3.06AXP ahead
2024-12-27108.7671.49+3.54AXP ahead
2024-12-26109.8371.70+3.71AXP ahead
2024-12-24109.6471.76+3.78AXP ahead
2024-12-23107.9570.87+3.87AXP ahead
2024-12-20107.9071.83+3.83AXP ahead
2024-12-19105.8971.49+3.79AXP ahead
2024-12-18103.9771.97+3.61AXP ahead
2024-12-17108.8780.97+2.87AXP ahead
2024-12-16109.6881.25+2.97AXP ahead
2024-12-13109.1682.63+2.78AXP ahead
2024-12-12108.4982.98+2.70AXP ahead
2024-12-11109.2384.84+2.56AXP ahead
2024-12-10109.1581.38+3.11AXP ahead
2024-12-09107.2082.56+2.77AXP ahead
2024-12-06109.8383.25+3.03AXP ahead
2024-12-05108.5882.77+3.02AXP ahead
2024-12-04109.3283.04+3.13AXP ahead
2024-12-03109.1580.76+3.56AXP ahead
2024-12-02109.2083.04+3.27AXP ahead
2024-11-29110.0886.71+2.85AXP ahead
2024-11-27109.9293.63+1.80AXP ahead
2024-11-26110.4096.47+1.46AXP ahead
2024-11-25110.2798.48+1.16AXP ahead
2024-11-22108.8696.26+1.31AXP ahead
2024-11-21105.8692.73+1.45AXP ahead
2024-11-20103.9592.18+1.29AXP ahead
2024-11-19103.1693.15+1.04AXP ahead
2024-11-18103.1694.46+0.84AXP ahead
2024-11-15103.6497.30+0.50AXP ahead
2024-11-14104.16105.12-0.51NU ahead
2024-11-13103.92108.24-0.95NU ahead
2024-11-12104.23109.62-1.09NU ahead
2024-11-11105.85109.97-0.92NU ahead
2024-11-08103.91105.40-0.58NU ahead
2024-11-07103.62105.33-0.61NU ahead
2024-11-06106.64104.01-0.03near the usual relationship
2024-11-0599.69101.52-0.62NU ahead
2024-11-0497.6299.45-0.63NU ahead
2024-11-0198.5299.24-0.46near the usual relationship
2024-10-3197.58104.43-1.30NU ahead
2024-10-3099.02108.86-1.67NU ahead
2024-10-2997.70108.37-1.80NU ahead
2024-10-2898.08107.13-1.59NU ahead
2024-10-2596.59103.39-1.31NU ahead
2024-10-2497.54103.94-1.25NU ahead
2024-10-2397.99102.08-0.93NU ahead
2024-10-2298.41100.62-0.67NU ahead
2024-10-2197.81100.62-0.75NU ahead
2024-10-18100.00100.00-0.36near the usual relationship

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Feb 21, 2025 (AXP -2.8%, NU -18.9%); Feb 26, 2026 (AXP +2.5%, NU -9.6%); Sep 28, 2026 (AXP -0.8%, NU -10.0%); Oct 5, 2026 (AXP +0.4%, NU +13.0%). Upcoming earnings: AXP Oct 23, 2026 (pre-market).

Paired trades

The shared paper book and the replay, kept apart

Forward paper record

No paper position on this pair yet.

Historical simulation (a diagnostic, same rules)

No simulated trade through Oct 20, 2026: the pair rarely passed every test while 2 standard deviations apart.

Per $10,000 a leg. A replay on today's companies cannot prove an edge.

The companies

AXP and NU at a glance

AXP American Express Company

Listing
NYSE · SEC CIK 4962
Industry
Finance: Consumer Services · SIC 6199 Finance Services
Market value
$213.7B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

NU Nu Holdings Ltd.

Listing
NYSE · SEC CIK 1691493
Industry
Finance: Consumer Services · SIC 6199 Finance Services
Market value
$70.5B
Price history
1,222 daily closes, Dec 9, 2021 to Oct 22, 2026

Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.

Related
All pairs →
PairStatusAhead nowIndustry
AXP / MSTRWatchlistneitherSIC 6199 Finance Services
NU / MSTRWatchlistneitherSIC 6199 Finance Services

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Paper only: hypothetical paired positions with modelled costs. No broker, no orders, no real money. A historical simulation is a diagnostic, not proof of an edge. Not investment advice.