Union Pacific Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Union Pacific Corp. at $271.90: open interest within 90 days was 40,836 call and 10,758 put contracts, a put/call ratio of 0.26; the day's volume was 424 calls and 52 puts (0.12). The most call open interest sits at the $285.00 strike (7,528 contracts) and the most put open interest at $250.00 (2,248). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 1.9% of spot. For 16 October 2026, implied volatility was 22.8% at the put 5% below spot and 21.9% at the call 5% above, +0.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $285.00 | 7,528 |
| Puts | $250.00 | 2,248 |
The strike with the most open interest on each side, across expiries within 90 days.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 16 October 2026 call at $295.00 | 7,173 | +6,956 |
| 16 October 2026 call at $285.00 | 7,304 | +6,924 |
| 18 December 2026 put at $250.00 | 2,149 | +1,494 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for UNP, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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