What is Wash Sale Rule?
Wash sale rule (US) denies loss deduction when substantially identical security is bought within 30 days.
Formula
Wash Sale Window = [Sale Date − 30 days] through [Sale Date + 30 days]
Indian market context (NSE)
Reference levels: Nifty 50 at 24,300, Reliance Industries at ₹1,300, Bank Nifty futures at 55,000 (lot size 30). Examples below show how Wash Sale Rule shows up on Indian index, equity, and futures books — update to live quotes in your journal.
Nifty 50 perspective
Wash Sale Rule in Indian context at Nifty 24,300: apply SEBI/regulatory framing where relevant and tag index trades separately in weekly review.
Reliance Industries perspective
Wash Sale Rule using Reliance at ₹1,300 as a liquid large-cap example — adjust numbers to your live quote and contract note.
Bank Nifty futures perspective
Wash Sale Rule with Bank Nifty futures at 55,000 — respect lot size 30 and quarterly vs monthly contract rules on NSE.
How to validate
- Validate Wash Sale Rule with a written rule and at least 20 tagged examples.
- Ask whether the reading changed because of process or one outlier trade.
- Compare two independent time windows before adjusting position size.
- Document validation date in weekly review notes.
How to track in TradeLyser
- Mention Wash Sale Rule in trade comments when it influenced the decision.
- Mirror the term in weekly review questions for consistency.
- Filter trades mentioning the concept during monthly analytics.
- Cross-link to related glossary terms in mentor notes.
Best practices
- Teach Wash Sale Rule the same way to mentors and peers — shared vocabulary.
- Re-read this page after major rule changes to Wash Sale Rule usage.
- Prefer one improvement per month over ten simultaneous tweaks.
- Link learn articles when Wash Sale Rule needs deeper study.
Common pitfalls
- Using Wash Sale Rule buzzwords without measurable journal tags.
- Copying another trader’s Wash Sale Rule rule without sample size context.
- Skipping weekly review because the term feels “basic”.
- Letting social media redefine Wash Sale Rule mid-quarter.
How to use this in TradeLyser
Tag tax-motivated sales; note repurchase dates in investment log.
Related terms
Cost basis is the original value of an asset for tax and performance — includes purchase price plus certain costs.
Demat account stores securities in electronic form — linked to trading account.
Swing trading captures multi-day moves between support and resistance or trend legs, with wider stops and fewer trades than intraday styles.
Tax-loss harvesting realizes losses to offset taxable capital gains, then may rebuy similar exposure.
FAQ
Wash sale on NSE stocks?
Primarily US IRS concept — confirm local law.
Trading journal need wash tracking?
Only if tax lot management is your workflow.
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