What Traders Should Watch Today (21 September 2026): 12 Stocks On The Long Side, 10 On The Short Side

The short version for today's session

Altrix ran across 2,534 NSE cash-market stocks on the daily timeframe at 09:15 am IST on 21 September 2026. Filtering for stocks that flagged within the last five sessions leaves 12 long-side candidates and 10 short-side candidates. That is the working watchlist — short enough to actually follow tick by tick, which matters far more than a 200-name list nobody opens.

Long-side watchlist

These stocks flagged recently and still carry constructive readings. The practical use is simple: mark the level the stock flagged from, wait for price to come back to it or break out from it, and let the first 15 minutes settle before committing size.

Short-side watchlist

Short-side names are the ones to avoid buying on dips, and where intraday traders look for failed bounces. Treat them as a do-not-chase list first and a trade idea second.

Widest movers on the board

Big movers set the day's volatility. When a mover also carries a matching Altrix reading, the move has structure behind it; when it does not, it is usually news-driven and mean-reverts faster than traders expect.

Where the flow is sitting

Trading with the sector rather than against it is the cheapest edge available to a retail trader. If your long idea sits in the weakest sector on this table, halve the size or wait.

A simple routine for using this list

1. Check the index direction in the first 15 minutes before touching anything.
2. Take long ideas only from the long-side table, short ideas only from the short-side table.
3. Define the stop before entry — the level the stock flagged from is the natural reference.
4. Cap the number of open positions; two well-watched trades beat six half-watched ones.
5. Review at the close which flagged names actually followed through, and keep those sectors on the radar tomorrow.

See the full Altrix board

This article shows a public snapshot only. Inside Altrix you get the complete list of flagged stocks across the whole NSE cash market on the daily timeframe, refreshed every few minutes while the market is open, with each stock's trend, strength, latest flag date and how similar readings behaved historically — plus the screener, watchlist alerts, per-stock analysis charts and the Altrix assistant.

• Explore Altrix
• Altrix screener
• Altrix plans and pricing

Frequently asked questions

Is this a list of buy or sell recommendations?

No. These are data readings from our daily scan, shared for research. Entries, stops, sizing and suitability remain your decision.

Why only stocks that flagged in the last five sessions?

Recent flags are the ones still being acted on by the market. Older readings tend to have already played out.

How often does this watchlist change?

The underlying scan refreshes every few minutes while the market is open, so the live list inside Altrix updates through the day; this article is the snapshot at publication.

Do I need Altrix to use this?

The snapshot here is free. The full board, per-stock charts, alerts and history are inside Altrix.

Key takeaways

• Long-side candidates: 12 — higher at the time of writing
• Short-side candidates: 10 — lower at the time of writing
• Stocks scanned: 2,534

About this report

Every figure on this page is read from a primary source at the timestamp shown — exchange boards for equities and indices, the exchange bid book for IPOs, published association rates for bullion, and consolidated exchange quotes for crypto — with no estimation or third-party commentary. Historical fields such as trailing returns and 52-week extremes are computed on the adjusted daily series so splits and bonuses do not create false gaps. A timestamp outside market hours reflects the last traded or last published value, not a live tick.

Related live pages

• Altrix
• Altrix screener
• Stock market today
• Top gainers
• Top losers

Sources

• TrendRipperX Altrix engine (daily readings across the NSE cash universe)
• NSE India price and volume data via our exchange data feed
• Altrix live board

“This report is generated automatically from live exchange and official association data at the time stamped above. Prices move continuously — verify on the source before acting. Nothing here is investment advice.”