Banknifty analysis for 18 aug 2025

Let’s break it step by step based on the OI Data, Change in OI, Option Chain, and Candlestick Chart  for BankNifty (CMP ~55341).

🔎 1. Chart Analysis (Candlesticks)

On the 2H chart, BankNifty has been in a downtrend from ~57,600 to ~55,300.

Currently it is consolidating between 55,200 – 55,600 (sideways structure).

Volumes are low, suggesting a big move can come once this range breaks.

Immediate support visible near 55200 and resistance around 55550–55600.

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🔎 2. Open Interest (OI) Data

Total OI (Monthly Expiry 28 Aug)

Calls OI = 1.88 Cr (higher)

Puts OI = 1.35 Cr

PCR = 0.72 → Bearish bias (more Calls written than Puts).

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🔎 3. Option Chain (Key Strikes)

Support levels (Puts OI concentration):

55000 PE → 9.62 L OI (strongest support).

55200–55300 PE → decent OI ~2.7–2.8 L.

Resistance levels (Calls OI concentration):

55500 CE → 11.7 L OI (very strong resistance).

55600 CE → 3.1 L OI.

55400 CE → 3.89 L OI.

Conclusion from OI:

➡️ Strong resistance zone = 55400–55600

➡️ Strong support zone = 55000–55200

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🔎 4. OI Change (Fresh Positions)

At 55500 CE → Call OI reduced (-76K) → Some shorts covered.

At 55300–55400 PE → Put OI added (37K approx) → Some support built.

So, below 55200 → downside open till 55000,

while above 55550 → upside open till 55700–55800.

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🎯 5. Intraday Trade Plan (Minimal Stop-Loss)

Since BankNifty is stuck between strong OI zones, best strategy is breakout + retest trade.

✅ Long Trade (Bullish Setup)

Entry Trigger: If price sustains above 55550 with volume.

Target: 55700 – 55800.

Stop-loss: 55450 (just below breakout zone).

✅ Short Trade (Bearish Setup)

Entry Trigger: If price breaks and sustains below 55200 with volume.

Target: 55000 – 54900.

Stop-loss: 55300.

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⚡ Summary

Support: 55200 → 55000

Resistance: 55400–55600

Perfect Intraday Plan:

Long above 55550 (Target 55700–55800, SL 55450).

Short below 55200 (Target 55000, SL 55300).

This gives you minimal SL (~100 pts) and RR > 1.5.

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Thanks