OP to SEI: Convert Optimism to Sei Today
1 OP = 2.0455 SEI
OP price updated 27 Aug 2026 · 19:05 WIB · SEI price updated 27 Aug 2026 · 18:46 WIB
Cross rate: the OP/SEI value is the ratio of both assets' mid prices on the Pluang market, with no foreign-exchange leg. Indicative, not an execution rate.
The Optimism (OP) to Sei (SEI) exchange rate is currently 2.0455 SEI per 1 OP. The value is computed from both assets' mid prices on the Pluang market and refreshed throughout the day. Use the calculator for other amounts, or open the reverse direction on the SEI to OP page.
See SEI to OP rate1 SEI = 0.48887 OPOP/SEI Chart
Daily price ratio of the two assets
OP and SEI Statistics
Trading activity and supply, with no currency denomination
OptimismCirculating Supply2,3B / 4,3B OP
Trading Activity48% Sell | 52% Buy
Typical Hold Time50 Days
SeiCirculating Supply7,5B / 10B SEI
Trading Activity2% Sell | 98% Buy
Typical Hold Time43 Days
OP to SEI Conversion Table
Conversion values for commonly searched amounts
OP → SEI
| Amount | Result |
|---|---|
| 0.001 | 0.0020455 SEI |
| 0.01 | 0.020455 SEI |
| 0.1 | 0.20455 SEI |
| 0.5 | 1.0228 SEI |
| 1 | 2.0455 SEI |
| 5 | 10.2276 SEI |
| 10 | 20.4552 SEI |
SEI → OP
| Amount | Result |
|---|---|
| 0.1 | 0.048887 OP |
| 1 | 0.48887 OP |
| 10 | 4.8887 OP |
| 100 | 48.8874 OP |
| 1,000 | 488.8741 OP |
| 10,000 | 4,888.7406 OP |
| 100,000 | 48,887.4057 OP |
Frequently Asked Questions
1 OP = 2.0455 SEI. The value follows both assets' prices on the Pluang market and moves throughout the day.
Pluang divides the Optimism mid price by the Sei mid price on the Pluang market. The result is an asset-to-asset exchange rate, with no currency involved.
This page is a value calculator. To invest, you can sell OP and buy SEI in the Pluang app or via Web Trading, both available 24/7.
Each candle divides OP's price components by SEI's on the same day: open by open, high by high, low by low, close by close, then the range is normalized so the candle stays valid. This is the standard ratio-chart pattern. Intraday extremes are approximate because the two assets do not always move at the same moment. A line mode is also available.
This page prices OP in SEI, another crypto asset. For OP in US dollars, euro, and 130+ other currencies, use OP's foreign-currency conversion pages.
Crypto prices come from the Pluang market. Cross rates are computed as the ratio of both assets' mid prices. All values are indicative and are not an offer, solicitation, or investment advice.