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Union Bank of India

NSE: UNIONBANK · Lot size: 4425

Union Bank of India Option Chain Analysis

2026-04-282026-05-26
Total CE OI
3.35 Cr
Total PE OI
2.69 Cr
PCR
0.80
Neutral
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
%9515.3%
%10014.1%
%10513.0%
%11012.0%
%11511.0%
%12010.1%
%122.59.6%
%1259.2%
%127.58.8%
%1308.3%
%132.57.9%
%1357.5%
%137.57.1%
%39.141400.02%27K02.3 L
%47.75142.50.04%4K02.2 L
13K0%28.261450.0475.9%03.2 L
%45.59147.50.46%
71K0%39.451500.0878.6%35K+13K9.0 L
31K0%19.26152.50.1676.3%06.2 L
4K0%20.071550.0970.6%18K05.2 L
%45.78157.50.6287.7%03.4 L
4.7 L09K%30.631600.1263.9%80K-31K9.3 L
1.0 L0%23.49162.50.2059.1%03.1 L
6.9 L075.0%25.501650.1859.2%93K-58K15.8 L
2.3 L-4K13K76.0%25.93167.50.2155.3%93K-18K4.7 L
10.9 L-13K97K58.5%23.051700.3354.4%4.5 L+13K21.2 L
8.9 L0%16.90172.50.3953.0%1.2 L+4K16.9 L
21.0 L-4K1.8 L41.3%17.351750.5750.1%6.1 L+1.3 L16.7 L
3.5 L044.7%13.07177.50.8449.4%3.6 L-58K6.7 L
16.2 L-1.9 L8.7 L43.0%12.851801.0946.7%18.2 L-13K49.2 L
4.8 L+84K2.7 L41.6%10.67182.51.5146.3%12.8 L+40K4.4 L
8.5 L-1.1 L7.3 L41.6%8.761852.1445.7%52.4 L+4.3 L31.1 L
9.8 L-49K11.0 L41.9%6.97187.52.9645.1%14.4 L+1.3 L7.3 L
54.1 L-44K80.6 L42.2%5.60190ATM3.9044.9%58.4 L+5.6 L26.4 L
15.3 L-1.6 L59.8 L42.1%4.24192.55.1644.6%18.3 L+3.2 L8.1 L
31.0 L-8.5 L1.12 Cr41.5%3.181956.3644.0%6.4 L+75K7.3 L
4.8 L+80K17.5 L41.8%2.35197.511.8070.2%044K
63.2 L+15.6 L95.2 L41.2%1.632009.5444.6%3.1 L+22K5.6 L
2.5 L+9K3.9 L41.5%1.17202.513.2234.6%
21.9 L-9K20.1 L42.0%0.7820513.9446.3%1.3 L+49K1.0 L
1.4 L+22K1.1 L43.5%0.68207.521.2587.6%09K
18.9 L+1.1 L12.3 L42.8%0.3621021.2860.1%01.3 L
164.1%9.55212.519.00%
5.7 L+31K1.8 L44.9%0.1921540.11222.0%
160.4%7.90217.522.29%
9.8 L-18K4.5 L46.4%0.0922035.08132.7%027K
3.5%222.5%
6.2 L+44K1.1 L49.0%0.0622549.70%044K
4.0%227.5%
4.3%230%
4.5%232.5%
4.7%235%
5.0%237.5%
5.2%240%
5.4%242.5%
5.6%245%
6.1%250%
6.5%255%
7.0%260%
7.4%265%

Bold CE OI = highest call writing (resistance). Bold PE OI = highest put writing (support). ATM = at-the-money.

AI AnalysisGenerated daily after market close · AI-powered

Key Strike Levels

Strong support is seen at ₹175–₹180, backed by massive open interest buildup in puts. Immediate resistance forms at ₹190–₹200, where the highest call open interest clusters. The implied trading range centers around ₹180–₹200, with ₹190 acting as a pivot for directional bias.

OI Buildup Activity

Fresh longs are building in 180 PE, indicating aggressive put writing at lower strikes as a floor. Call writers are adding positions at 190 and 200, capping upside momentum despite fresh longs piling into 187.5 and 190 CE. Notably, the 180 PE sees the largest OI increase (+6.1 lakh), suggesting strong defensive positioning.

Volatility Read

ATM implied volatility stands at 33.35%, elevated but stable, reflecting sustained hedging demand. The bearish skew confirms preference for downside protection, with far-OTM puts seeing stronger demand than calls.

Strategy Implication

Writer-led resistance and defensive put structures favor short premium bias with defined risk near ₹190.

Frequently Asked Questions

What is the highest call OI strike for Union Bank of India today?
The strike with highest call (CE) open interest for Union Bank of India is ₹200 for the 2026-04-28 expiry. This acts as a key resistance level since call writers will defend this strike aggressively near expiry.
What is the highest put OI strike for Union Bank of India today?
The strike with highest put (PE) open interest for Union Bank of India is ₹180 for the 2026-04-28 expiry. This acts as a key support level — put writers will tend to defend this level near expiry.
What does OI buildup in Union Bank of India options mean?
Open Interest (OI) buildup in Union Bank of India options shows how many net new contracts are being created at each strike. Rising OI at a strike means fresh positions (writers or buyers). Rising OI with rising price = long buildup (bullish); rising OI with falling price = short buildup (bearish).
When does Union Bank of India options expire?
Union Bank of India options have their nearest expiry on 2026-04-28. NSE F&O stocks have monthly expiry contracts — typically the last Tuesday of each month. MarketNetra shows data for the nearest two expiries.
How to read Union Bank of India option chain?
The Union Bank of India option chain shows calls (CE) on the left and puts (PE) on the right for each strike price. Key columns: OI (total open contracts), OI Change (new positions today), Volume (today's trades), IV (implied volatility — higher = more uncertainty), and LTP (last traded price). The ATM (at-the-money) strike is highlighted in blue.