Spot Price (Close on Oct 16): 6629
Today’s Expiration: 0DTE – Friday, Oct 17, 2025
IF SPX opens near 6630 (unchanged):
→ Market is sandwiched between heavy put walls below and large call interest overhead. Expect choppy action around 6630–6640.
🔥 Key Zones from OI + Volume Clusters:
| Zone Type | Level | Analysis |
| 🚧 Put Wall | 6600 | Strong support. High put OI (6,764) and volume. If breached → downside opens. |
| 🧲 Magnet Zone | 6625–6640 | Highest cluster of volume/OI. Expect price to pin here unless forced out. |
| 🚀 Call Wall | 6700 | Major overhead resistance. Massive call OI (16,000+) – likely rejection area. |
🎯 Forecast Scenarios
1. Range Scenario (Base Case)
- Conditions: Open near 6630–6640, with no strong news.
- Plan: Expect chop and mean reversion toward 6625–6640 magnet.
2. Upside Reclaim
- Trigger: Clean reclaim and hold above 6650.
- Target: 6680 → 6700 (top of OI range).
- Caution: Expect strong resistance at 6700 with possible reversal.
3. Downside Flush
- Trigger: Loss of 6600 support.
- Target: 6575 → 6550 (both have growing put activity).
- Bias: Bearish if below 6600 with momentum.
📌 Grandma’s Bias Summary
IF SPX holds above 6625 → potential push into 6650–6680.
IF SPX loses 6600 → expect acceleration to 6575 or even 6550.
Middle chop zone = 6625–6640.
🎓 Grandma says:
“Data doesn’t lie. Price respects volume and OI. So trade the levels, not the noise.”
🚫 Disclaimers
- This is NOT financial advice.
- Use this as a directional framework only.
- Market structure and news flow can shift bias intra-day.