NIO Inc. options tape
Read from CBOE's delayed chain on 26 September 2026, with NIO Inc. at $3.58: open interest within 90 days was 287,728 call and 123,063 put contracts, a put/call ratio of 0.43; the day's volume was 30,007 calls and 3,805 puts (0.13). The most call open interest sits at the $4.00 strike (117,106 contracts) and the most put open interest at $4.00 (57,892). The at-the-money straddle for 2 October 2026, 6 days out, was priced at 4.7% of spot. For 16 October 2026, implied volatility was 38.2% at the put 5% below spot and 50.9% at the call 5% above, -12.7 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $4.00 | 117,106 |
| Puts | $4.00 | 57,892 |
The strike with the most open interest on each side, across expiries within 90 days.
Open-interest builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for NIO, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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