Harvard Bioscience Inc. (HBIO)

The total Delta Exposure (DEX) for HBIO across all expirations shows 689.52 net shares that market makers must hedge, with 741.63 from calls and 52.11 from puts. The put-call delta ratio of 0.07 shows bullish positioning with call dominance, potentially providing upward momentum but leaving the market vulnerable to sharp pullbacks. The largest delta concentration at Nov 21, 25 with 358.35 net DEX represents significant hedging pressure that may cap upside moves. The nearest expiration on Sep 19, 25 carries positive delta requiring market makers to short shares, potentially creating resistance.