DIA Options
DIA $522.97 · Updated Oct 26, 4:00 PM ET
DIA is at $522.97. The nearest expiration, Oct 30, 2026 (4 days out), lists 115 strikes, with 5,241 calls and 6,006 puts traded in the latest session. At-the-money implied volatility is 16.8%. The at-the-money straddle prices a move of about $7.40 (1.4%) by expiration.
DIA Options Chain
DIA is at $522.97. The nearest expiration, Oct 30, 2026 (4 days out), lists 115 strikes, with 5,241 calls and 6,006 puts traded in the latest session. At-the-money implied volatility is 16.8%. The at-the-money straddle prices a move of about $7.40 (1.4%) by expiration.
DIA Gamma Exposure (GEX)
DIA total dealer gamma exposure is $46M across all listed expirations. Positive GEX means dealers are net long gamma; their hedging tends to dampen price moves. The gamma flip is $519.74, with spot 0.6% above it. The call wall is $530.00 and the put wall $520.00.
DIA Max Pain
DIA max pain for Oct 30, 2026 (4 days out) is $520.00, 0.6% below the current $522.97. That is the settlement price at which the open contracts on that date would pay holders the least. For Nov 27, 2026, max pain is $526.00.
DIA Put/Call Ratio
Across every listed DIA expiration, the put/call ratio is 1.52 by volume and 1.32 by open interest. More puts than calls are trading, a defensive tilt. 242,448 puts and 183,671 calls are open in total.
DIA Implied Volatility
DIA at-the-money implied volatility is 16.8% for Oct 30, 2026 (4 days out). For Nov 27, 2026 it is 14.4%. Near-term volatility is priced above longer-dated volatility, an inverted term structure that usually accompanies an event or stress.
DIA Open Interest by Strike
Across all DIA expirations, the largest call open interest near the current $522.97 sits at the $540.00 strike (11,084 contracts) and the largest put open interest at $460.00 (12,200). 183,671 calls and 242,448 puts are open in total.
DIA Expected Move
The options market prices DIA to move about $7.40 (1.4%) by Oct 30, 2026, a range of $515.57 to $530.37. For Nov 27, 2026 (32 days out) the expected move is $17.85 (3.4%).