Bitcoin (BTC) recorded kimchi premium highs and lows
The largest sampled venue gaps in this site’s recorded window, ranked separately for Upbit and Bithumb.
These historical percentages compare Korean coin prices converted through Korean USDT/KRW with Binance USDT prices. This is not an official USD/KRW FX rate and not an executable arbitrage return.
The timestamp is the hour containing a sampled observation, not an hourly high/low or average. These are the largest sampled venue gaps in the recorded window, not exchange-certified or lifetime Kimchi-premium records. Small USDT-converted gaps do not establish a multi-percent fiat premium.
Read window: 2016-10-29 08:00 UTC through 2026-10-29 08:00 UTC, inclusive; at most ten years. Actual recording spans are shown separately below and may be much shorter. Historical source data, not a live reading. Read at 2026-10-29 08:26 UTC; successful reads are cached for up to one hour.
Upbit recorded BTC premiums and discounts
Recording span: 2026-09-29 09:00:00 UTC to 2026-10-29 08:00:00 UTC. Last valid Upbit observation: 0 whole hours before this cached read.
Upbit: Highest positive premiums
Up to 10 distinct UTC dates| Rank | Snapshot hour (UTC) | Recorded gap | Stored USDT/KRW (KRW per USDT) |
|---|---|---|---|
| 1 | 2026-10-14 02:00:00 UTC | +0.162800% | 1350.000 |
| 2 | 2026-09-30 23:00:00 UTC | +0.156700% | 1358.000 |
| 3 | 2026-10-06 09:00:00 UTC | +0.156500% | 1350.000 |
| 4 | 2026-10-09 06:00:00 UTC | +0.155900% | 1368.000 |
| 5 | 2026-10-26 21:00:00 UTC | +0.151900% | 1334.000 |
| 6 | 2026-10-07 17:00:00 UTC | +0.151600% | 1361.000 |
| 7 | 2026-10-03 02:00:00 UTC | +0.146100% | 1358.000 |
| 8 | 2026-10-25 13:00:00 UTC | +0.136500% | 1341.000 |
| 9 | 2026-10-23 03:00:00 UTC | +0.136400% | 1335.000 |
| 10 | 2026-10-10 13:00:00 UTC | +0.135100% | 1360.000 |
Upbit: Lowest negative discounts
Up to 10 distinct UTC dates| Rank | Snapshot hour (UTC) | Recorded gap | Stored USDT/KRW (KRW per USDT) |
|---|---|---|---|
| 1 | 2026-10-11 05:00:00 UTC | -0.175100% | 1362.000 |
| 2 | 2026-10-15 11:00:00 UTC | -0.162700% | 1353.000 |
| 3 | 2026-10-06 12:00:00 UTC | -0.162600% | 1354.000 |
| 4 | 2026-10-25 05:00:00 UTC | -0.137600% | 1343.000 |
| 5 | 2026-09-30 14:00:00 UTC | -0.135400% | 1354.000 |
| 6 | 2026-10-02 12:00:00 UTC | -0.134100% | 1352.000 |
| 7 | 2026-10-20 17:00:00 UTC | -0.133400% | 1334.000 |
| 8 | 2026-10-27 01:00:00 UTC | -0.129800% | 1334.000 |
| 9 | 2026-10-28 01:00:00 UTC | -0.128900% | 1336.000 |
| 10 | 2026-10-04 12:00:00 UTC | -0.127700% | 1358.000 |
Bithumb recorded BTC premiums and discounts
Recording span: 2026-09-29 09:00:00 UTC to 2026-10-29 08:00:00 UTC. Last valid Bithumb observation: 0 whole hours before this cached read.
Bithumb: Highest positive premiums
Up to 10 distinct UTC dates| Rank | Snapshot hour (UTC) | Recorded gap | Stored USDT/KRW (KRW per USDT) |
|---|---|---|---|
| 1 | 2026-10-07 07:00:00 UTC | +0.246900% | 1356.000 |
| 2 | 2026-10-15 06:00:00 UTC | +0.155700% | 1354.000 |
| 3 | 2026-10-05 04:00:00 UTC | +0.153800% | 1350.000 |
| 4 | 2026-10-03 02:00:00 UTC | +0.152100% | 1358.000 |
| 5 | 2026-10-12 02:00:00 UTC | +0.145100% | 1350.000 |
| 6 | 2026-10-24 10:00:00 UTC | +0.143900% | 1341.000 |
| 7 | 2026-10-25 08:00:00 UTC | +0.137700% | 1341.000 |
| 8 | 2026-10-26 10:00:00 UTC | +0.135100% | 1332.000 |
| 9 | 2026-10-06 22:00:00 UTC | +0.133900% | 1353.000 |
| 10 | 2026-10-22 18:00:00 UTC | +0.119100% | 1341.000 |
Bithumb: Lowest negative discounts
Up to 10 distinct UTC dates| Rank | Snapshot hour (UTC) | Recorded gap | Stored USDT/KRW (KRW per USDT) |
|---|---|---|---|
| 1 | 2026-10-06 12:00:00 UTC | -0.184000% | 1354.000 |
| 2 | 2026-10-04 02:00:00 UTC | -0.140900% | 1360.000 |
| 3 | 2026-10-09 13:00:00 UTC | -0.127400% | 1368.000 |
| 4 | 2026-09-30 20:00:00 UTC | -0.121800% | 1362.000 |
| 5 | 2026-10-16 22:00:00 UTC | -0.119400% | 1353.000 |
| 6 | 2026-10-11 05:00:00 UTC | -0.118600% | 1362.000 |
| 7 | 2026-10-20 17:00:00 UTC | -0.117100% | 1334.000 |
| 8 | 2026-10-15 22:00:00 UTC | -0.113200% | 1349.000 |
| 9 | 2026-10-21 13:00:00 UTC | -0.112700% | 1331.000 |
| 10 | 2026-10-02 04:00:00 UTC | -0.112600% | 1360.000 |
Method: use the raw venue percentage from the stored hourly history. Select the most extreme snapshot per venue, UTC date and side, then rank dates; equal values choose the earliest UTC timestamp. Zero is neutral and excluded from both sides. Missing or nonfinite venue values are excluded independently, so missing Upbit data does not discard Bithumb.
The conversion rate is the stored historical USDT/KRW value where finite and positive. Missing or invalid conversion rates are labelled unavailable; percentages are never recomputed with today’s FX. Missing hours may hide larger gaps. Trading fees, transfer restrictions, liquidity and execution costs are not included.