{"punk":121,"name":"CryptoPunk #121","url":"https://punkprice.com/punk/121","image":"https://punkprice.com/api/punk-image/121.svg","type":"Female","skin_tone":3,"attributes":["Purple Lipstick","Tiara"],"attribute_count":2,"model":{"version":"est-v2-202610","beta":true,"label":"Valuation (beta), not a floor","spec_sha256":"1cf27321b403ea86f6972db116008f450d113e635f10c03d21207a83f7bfb63f","method":"https://punkprice.com/about#estimate","track_record":"https://punkprice.com/track-record","rule":"N1 (floor x type median multiple of the last 12 months) plus, for Female and Male punks, only the attribute, skin tone, attribute count and drift terms whose 95% interval excludes zero (per-type weighted ridge, Huber loss, half-life 90 days). Zombie, Ape, Alien: weighted median multiple of all their sales (half-life 2 years). Bands: floor x exp(log estimate +- k sigma), sigma = sqrt(s_cell^2 + (0.5 x premium)^2).","caveats":["Female estimates sit close to the floor: in the backtest the plain type multiple was the better median guess for Female punks.","Punks with 0 or 1 attributes, and Zombie, Ape and Alien punks, have few sales; their bands are wide and their confidence is Low.","Trained on native CryptoPunks marketplace sales only; wrapped-punk sales are not included yet."]},"as_of":{"date":"2026-11-05","note":"Fitted on sales up to the end of 2026-11-05 UTC. `estimate` is valued at the latest exact floor (`fresh_floor`, refreshed hourly); `daily` is valued at that day's closing floor and is the one the track record scores.","written_at":"2026-11-06T00:20:36.384Z","fingerprint_sha256":"28fb24ec0a4377e5ef5227eb5d7b42a3750c93b8b338f0430ec1b75165a89dc1"},"estimate":{"eth":54.4175,"usd":131858,"band_1sigma":{"low_eth":40.6677,"high_eth":72.816,"low_usd":98541,"high_usd":176439},"band_2sigma":{"low_eth":30.3922,"high_eth":97.435,"low_usd":73643,"high_usd":236093},"sigma_log":0.2913,"multiple_of_floor":1.7906,"n1_eth":30.6779,"confidence":"Low","cell":"Female 2-3","floor_eth":30.39,"floor_as_of":"2026-11-06T00:00:00.000Z","basis":"daily close"},"daily":{"date":"2026-11-05","eth":54.4175,"usd":131858,"band_1sigma":{"low_eth":40.6677,"high_eth":72.816,"low_usd":98541,"high_usd":176439},"band_2sigma":{"low_eth":30.3922,"high_eth":97.435,"low_usd":73643,"high_usd":236093},"sigma_log":0.2913,"multiple_of_floor":1.7906,"n1_eth":30.6779,"confidence":"Low","cell":"Female 2-3","floor_eth":30.39,"fingerprint_sha256":"28fb24ec0a4377e5ef5227eb5d7b42a3750c93b8b338f0430ec1b75165a89dc1"},"fresh_floor":{"source":"daily close","as_of":"2026-11-06T00:00:00.000Z","block":null,"eth":30.39,"punk":null,"public_asks":null,"age_minutes":42,"stale":false,"label":"as of 00:00 UTC, floor 30.39 ETH","stale_note":null},"floor":{"as_of_date":"2026-11-05","eth":30.39,"eth_usd":2423.081896592348,"latest":{"date":"2026-11-06","eth":30.39},"current":{"source":"daily close","as_of":"2026-11-06T00:00:00.000Z","block":null,"eth":30.39,"punk":null,"public_asks":null,"age_minutes":42,"stale":false,"label":"as of 00:00 UTC, floor 30.39 ETH","stale_note":null},"type_floor":{"type":"Female","date":"2026-11-06","eth":30.4,"public_asks":407,"punk":6263}},"listing":null,"argument":{"cell":"Female 2-3","terms":[{"pct":4,"beta":0.0392,"term":"tone3","label":"Skin tone 3 (vs 1)","sales_12m":null,"weighted_sales":42.1},{"pct":70.6,"beta":0.5339,"term":"attr:Tiara","label":"Tiara","sales_12m":4,"weighted_sales":1.7}],"backtest":{"cell":"Female 2-3","seen":{"n":839,"cover1":0.634,"cover2":0.871,"bias_pct":-0.6,"within10":0.802,"within25":0.952,"MdALE_pct":4.1},"thin":false,"sigma":0.052,"selection":{"n":1056,"cover1":0.688,"cover2":0.916,"bias_pct":-1.5,"within10":0.841,"within25":0.968,"MdALE_pct":4}},"own_sales":[],"comparables":[{"eth":63.3333,"date":"2026-07-03","punk":7138,"source":"native-buy","adjusted_eth":59.3311,"shared_attributes":2},{"eth":38,"date":"2026-04-25","punk":4752,"source":"native-buy","adjusted_eth":38.6486,"shared_attributes":2},{"eth":89,"date":"2025-09-12","punk":2368,"source":"native-buy","adjusted_eth":58.0036,"shared_attributes":2},{"eth":60,"date":"2025-05-24","punk":7138,"source":"native-bid","adjusted_eth":38.4765,"shared_attributes":2},{"eth":28.994,"date":"2026-10-30","punk":3364,"source":"native-buy","adjusted_eth":30.9233,"shared_attributes":1},{"eth":28.46,"date":"2026-10-28","punk":3364,"source":"native-buy","adjusted_eth":28.9322,"shared_attributes":1},{"eth":62,"date":"2026-10-22","punk":1603,"source":"native-buy","adjusted_eth":60.2552,"shared_attributes":1},{"eth":88,"date":"2026-10-22","punk":4405,"source":"native-buy","adjusted_eth":85.5236,"shared_attributes":1}],"premium_log":0.5731,"type_multiple":{"sales":440,"period":"12 months","multiple":1.0095,"median_multiple":1.0095},"no_clear_premium":[{"attribute":"Purple Lipstick","sales_12m":66}],"summary":["Estimate 54.4 ETH (beta), 1σ range 40.7 to 72.8 ETH, 2σ range 30.4 to 97.4 ETH, confidence Low, as of 00:00 UTC, floor 30.39 ETH (fitted on sales up to the end of 2026-11-05).","Floor 30.4 ETH at the close of 2026-11-05.","Female punks sold at a median 1.01x the floor of the day before (440 sales, 12 months).","Terms with clear support: Skin tone 3 (vs 1) +4%, Tiara +71%.","Female estimates sit close to the floor by design: in the backtest the floor times the type multiple was the better median guess for Female punks.","In the backtest, Female 2-3 sales landed within ±4% of the estimate half the time (2023-2024) and within ±4.1% in 2025-2026 (months already seen in round 1)."]},"track_record":[],"cite_as":"PunkPrice (2026). CryptoPunks per-punk estimates (beta), model est-v2-202610, from CryptoPunks marketplace sales. https://punkprice.com/punk/121","license":"CC BY 4.0","disclaimer":"Valuation (beta) from public marketplace sales: not an appraisal and not financial advice. It can be wrong, so read the range, not only the number.","links":{"listings":"https://punkprice.com/listings","backtest":"https://punkprice.com/api/estimate/backtest.json","track_record":"https://punkprice.com/api/estimate/track-record.json"}}