How it works

Two ways to ask “what if”. Here’s an example with ETH and BTC.

Market cap

What if ETH had BTC's market cap?

We give ETH the same market cap as BTC, then divide by the supply used for ETH. NOW uses the current market cap of BTC; ATH uses its historical high.

Peak ratio

What if ETH hit its peak BTC ratio?

We find the highest recorded ETH/BTC price ratio in our available daily history, then apply it to the price of BTC today. This shows what one ETH would cost if it regained that relative strength.

Use the question below your result to flip between the two modes.

Market cap flips · top 500

Top 500 market cap flips on Sep 20, 2026

Flips50

  1. BUIDL flipped RLUSDBUIDL flipped RLUSDSep 20, 2026#41OKBOKB$2.5B#42BlackRock USD Institutional Digital Liquidity FundBUIDL$2.4B1#43Ripple USDRLUSD$2.3B1#44Ondo US Dollar YieldUSDY$2.2B
  2. KAS flipped AKEKAS flipped AKESep 20, 2026#73GateGT$1.1B#74KaspaKAS$1B1#78AkedoAKE$941.5M4#79JUSTJST$940M
  3. KCS flipped AKEKCS flipped AKESep 20, 2026Reverses a flip from Sep 19, 2026.#74KaspaKAS$1B#75KuCoinKCS$983.6M1#78AkedoAKE$941.5M4#79JUSTJST$940M
  4. BCAP flipped AKEBCAP flipped AKESep 20, 2026Reverses a flip from Sep 19, 2026.#75KuCoinKCS$983.6M#76Blockchain CapitalBCAP$970.8M1#78AkedoAKE$941.5M4#79JUSTJST$940M
  5. PI flipped AKEPI flipped AKESep 20, 2026Reverses a flip from Sep 19, 2026.#76Blockchain CapitalBCAP$970.8M#77Pi NetworkPI$968.4M1#78AkedoAKE$941.5M4#79JUSTJST$940M
  6. PONS flipped A7A5PONS flipped A7A5Sep 20, 2026#111Pyth NetworkPYTH$475.2M#112PonsPONS$473.6M4#117A7A5A7A5$456M2#118PieversePIEVERSE$446.3M
  7. NIGHT flipped FFNIGHT flipped FFSep 20, 2026#121Artificial Superintelligence AllianceFET$424.1M#122MidnightNIGHT$401.6M1#125Falcon FinanceFF$392.7M3#126Janus Henderson Anemoy Treasury FundJTRSY$350.2M
  8. AI flipped DCRAI flipped DCRSep 20, 2026#139GnosisGNO$315.3M#140Artificial InuAI$315.2M2#143DecredDCR$305.5M2#144OlympusOHM$299.8M
  9. BR flipped KITEBR flipped 6 coinsSep 20, 2026#150OptimismOP$271.8M#151BedrockBR$271.1M6#152KiteKITE$265.3M
  10. PRL flipped CFXPRL flipped 3 coinsSep 20, 2026#152KiteKITE$265.3M#153PearlPRL$265.2M6#157ConfluxCFX$258.7M2
  11. NFT flipped ARNFT flipped ARSep 20, 2026#161Kinesis SilverKAG$246.4M#162AINFTNFT$238M2#167ArweaveAR$231.4M4#168KOGEKOGE$230.7M
  12. STONK flipped WIFSTONK flipped 3 coinsSep 20, 2026#174Ribbita by VirtualsTIBBIR$217.1M#175STONKSTONK$215.7M5#178dogwifhatWIF$210.5M1
  13. APYUSD flipped RAILAPYUSD flipped RAILSep 20, 2026#195Axie InfinityAXS$177.8M#196apyUSDAPYUSD$177.4M1#198RailgunRAIL$172.4M2#199DoubleZero2Z$170.8M
  14. BORG flipped 2ZBORG flipped 4 coinsSep 20, 2026Reverses a flip from Sep 19, 2026.#196apyUSDAPYUSD$177.4M#197SwissBorgBORG$174.9M5#199DoubleZero2Z$170.8M
  15. 2Z flipped CARDS2Z flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#198RailgunRAIL$172.4M#199DoubleZero2Z$170.8M#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  16. COCO flipped CARDSCOCO flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#199DoubleZero2Z$170.8M#200cocoCOCO$170.3M1#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  17. BTSE flipped CARDSBTSE flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#200cocoCOCO$170.3M#201BTSE TokenBTSE$170.1M1#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  18. USTBL flipped CARDSUSTBL flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#201BTSE TokenBTSE$170.1M#202Spiko US T-Bills Money Market FundUSTBL$167.4M1#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  19. MX flipped CARDSMX flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#202Spiko US T-Bills Money Market FundUSTBL$167.4M#203MXMX$166.4M1#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  20. XCN flipped CARDSXCN flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#203MXMX$166.4M#204OnyxcoinXCN$165.7M1#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  21. AKT flipped CARDSAKT flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#204OnyxcoinXCN$165.7M#205Akash NetworkAKT$164.4M2#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  22. H flipped CARDSH flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#205Akash NetworkAKT$164.4M#206HumanityH$163.9M#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  23. NEO flipped CARDSNEO flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#206HumanityH$163.9M#207NEONEO$163.7M3#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
  24. FARTCOIN flipped CARDSFARTCOIN flipped CARDSSep 20, 2026Reverses a flip from Sep 19, 2026.#207NEONEO$163.7M#208FartcoinFARTCOIN$163.6M3#232Collector CryptCARDS$141.9M34#233ApeCoinAPE$137.7M
Show 26 more
  1. #209XEC flipped CARDS3$163.38M
  2. #210ULTIMA flipped CARDS2$162.91M
  3. #211PC0000033 flipped CARDS2$162.5M
  4. #212ANTFUN flipped CARDS2$160.39M
  5. #213VSN flipped CARDS$159.85M
  6. #214STRCX flipped CARDS3$157.06M
  7. #215KMNO flipped CARDS1$156.51M
  8. #216CHZ flipped CARDS1$156.47M
  9. #217SHFL flipped CARDS1$156.14M
  10. #218ZAMA flipped CARDS1$155.89M
  11. #219MANA flipped CARDS2$154.17M
  12. #220TEL flipped CARDS$152.67M
  13. #221TRAC flipped 2 coins3$151.55M
  14. #222A flipped CARDS$150.06M
  15. #223GUSD flipped CARDS2$149.53M
  16. #224HOOD flipped 13 coins16$149.44M
  17. #225ZEN flipped CARDS2$148.36M
  18. #226SFP flipped CARDS$147.77M
  19. #227MET flipped 2 coins2$146.82M
  20. #228GOMINING flipped CARDS1$145.44M
  21. #231JPYC flipped 3 coins3$143.24M
  22. #250ZCAT flipped 19 coins20$123.02M
  23. #254THBILL flipped ZANO2$117.85M
  24. #255BAT flipped ZANO$117M
  25. #304CHIP flipped ORCA9$91.52M
  26. #432AXL flipped CX2$57.83M

A flip is when one coin's market cap passes another's between two daily snapshots. Only flips that leave a gap of at least 2% and involve two top-500 coins are listed, so coins trading places every day do not flood the list. A flip that reverses the next day stays on the record and is marked.

Data provided by CoinGecko. Refreshed daily. Last update Sep 20, 2026.