Big move · Cryptocurrencies
Optimism (OP) falls 10.1% to $0.1341
Its biggest one-day fall in 4 months.
- Close
- $0.1341
- On the day
- −10.1%
- Volume
- 1.1× average
- vs 52-week high
- −81.1%
Optimism closing prices
The last 90 closes up to 28 September 2026. The live chart is on the OP page.
What happened
Optimism (OP) closed at $0.1341 on 28 September 2026, down 10.1% from $0.1492 the day before.
It was OP's biggest one-day fall in 4 months. Over 5 days the price is up 9.2%, and over 20 days it is up 27.4%.
The close is 81.1% below the highest close of the past year ($0.7077 on 9 Oct 2025) and 63.5% above the lowest ($0.08201 on 18 Aug 2026).
Volume was close to its recent average.
Across the 191 cryptocurrencies we track, 42 closed higher and 148 closed lower that day, with a median change of −2.52%. OP's change was −10.1%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | $0.1492 |
|---|---|
| Close | $0.1341 |
| Change on the day | −10.13% |
| Change over 5 days | +9.20% |
| Change over 20 days | +27.38% |
| Volume | 101.52 Million |
| Average volume, up to 20 days before | 91.41 Million |
| Volume against that average | 1.1 times |
| Highest close in the past year | $0.7077 (9 Oct 2025) |
| Lowest close in the past year | $0.0820 (18 Aug 2026) |
The full chart and history are on Optimism (OP). More from this market: Crypto news today.