The S&P 500 index (SPX) has been exhibiting a call-dominated gamma exposure (GEX) regime with net GEX fluctuating between approximately $570 million and $1.05 billion over the period from June 10 to June 12, 2025. The index has been trading in a narrow range, pinned below key resistance levels at 6050 to 6100, with put support levels holding around 5900 to 5975. Heavy options concentration is observed around the June 20 expiry, with SPY showing 356.65 million GEX and 38.01 billion DEX, indicating significant dealer positioning. The put/call volume ratio has varied, initially declining to 1.18 signaling improving sentiment, but later rising to 1.29, suggesting increased downside hedging pressure near the 6040–6060 zone. Notable individual stock options activity includes Tesla (TSLA) with a put/call ratio of 923,000 puts to 1.55 million calls, Palantir Technologies (PLTR) with a positive gamma exposure rising to 169.13 million and a put/call ratio around 0.70 to 0.59, and other stocks such as TEM, KRE, OKLO, SMR, CCJ, BE, ANET, CLS, CRDO, PCT, and VST showing varying put/call volumes. PLTR also reached new all-time highs with a net options delta of +984,000 shares. The overall market structure suggests a tight compression zone with resistance walls at 6050–6100 and put support near 5900–5975, where gamma and option flows are expected to drive intraday moves and potentially pin or fuel a breakout.