9/21 EMA crossover
on NIFTY & BANKNIFTY.
Fastest standard pair. Used for intraday momentum on 5m & 15m.
The 9/21 EMA combination is the most-used fast pair on Indian-index intraday charts. It reacts quickly enough that crossovers print 1–4 times per session on volatile days, which means edge depends entirely on whether the market is trending or ranging — a classic application for a regime filter.
Updated 2026-08-14 18:14 IST ·
Recommended timeframes: 5m, 15m
Live 9/21 state
NIFTY 50
5m
FAST < SLOW
gap -0 bp
last cross: 2026-08-14 15:15 IST
Bearish
· 2 bars ago
15m
FAST > SLOW
gap +3 bp
last cross: 2026-08-14 13:30 IST
Bullish
· 7 bars ago
1h
FAST < SLOW
gap -3 bp
last cross: 2026-08-10 14:15 IST
Bearish
· 42 bars ago
1d
FAST > SLOW
gap +37 bp
last cross: 2026-07-29 00:00 IST
Bullish
· 12 bars ago
15m 9/21 · 30-day whipsaws
6
false signals · 30 calendar days
BANK NIFTY
5m
FAST < SLOW
gap -1 bp
last cross: 2026-08-14 15:15 IST
Bearish
· 2 bars ago
15m
FAST < SLOW
gap -1 bp
last cross: 2026-08-13 13:00 IST
Bearish
· 38 bars ago
1h
FAST < SLOW
gap -6 bp
last cross: 2026-08-14 10:15 IST
Bearish
· 5 bars ago
1d
FAST > SLOW
gap +13 bp
last cross: 2026-08-03 00:00 IST
Bullish
· 9 bars ago
15m 9/21 · 30-day whipsaws
2
false signals · 30 calendar days
Recent 9/21 crossovers
Last 10 crossovers on the 15m timeframe — the most active for this pair on Indian indices.
NIFTY 50 · 15m
-
2026-08-14 13:30
Bullish · 24,357.35
-
2026-08-14 09:15
Bearish · 24,309.10
-
2026-08-13 15:15
Bullish · 24,395.85
-
2026-08-13 15:00
Bearish · 24,352.70
-
2026-08-13 11:45
Bullish · 24,386.45
-
2026-08-13 10:30
Bearish · 24,330.80
-
2026-08-12 15:15
Bullish · 24,435.95
-
2026-08-10 15:00
Bearish · 24,560.05
-
2026-08-10 10:30
Bullish · 24,603.65
-
2026-08-07 09:30
Bearish · 24,618.20
BANK NIFTY · 15m
-
2026-08-13 13:00
Bearish · 57,620.20
-
2026-08-12 14:30
Bullish · 57,663.85
-
2026-08-12 13:00
Bearish · 57,499.85
-
2026-08-11 15:15
Bullish · 57,446.25
-
2026-08-07 10:15
Bearish · 57,836.25
-
2026-08-05 15:30
Bullish · 57,739.95
-
2026-08-05 12:30
Bearish · 57,579.85
-
2026-08-04 15:30
Bullish · 57,907.20
-
2026-08-04 11:15
Bearish · 57,657.20
-
2026-07-30 14:45
Bullish · 57,035.90
5-year backtest of the 9/21 regime classifier — daily
For each historical day, we classify the regime under 9/21 EMAs (Trending Bull / Trending Bear / Ranging),
then measure the next day's close-to-close return. Win-rate and t-stat below tell you whether the regime call has predictive value
when this specific pair is used.
NIFTY — 9/21
2021-06-08 → 2026-08-11 · 1280 days
| Regime | N |
Mean fwd 1d | Win% |
t-stat |
| Trending Bull |
571 |
+0.033% |
55.7% |
1.13 |
| Trending Bear |
324 |
+0.017% |
49.7% |
0.29 |
| Ranging |
385 |
+0.065% |
52.2% |
1.39 |
BANKNIFTY — 9/21
2021-06-08 → 2026-08-11 · 1279 days
| Regime | N |
Mean fwd 1d | Win% |
t-stat |
| Trending Bull |
552 |
+0.034% |
51.1% |
0.84 |
| Trending Bear |
322 |
+0.007% |
54.7% |
0.1 |
| Ranging |
405 |
+0.090% |
54.3% |
1.76 |
Compare with other EMA pairs
9/21 EMA Crossover FAQ
What is the 9/21 EMA crossover?
The 9/21 EMA combination is the most-used fast pair on Indian-index intraday charts. It reacts quickly enough that crossovers print 1–4 times per session on volatile days, which means edge depends entirely on whether the market is trending or ranging — a classic application for a regime filter.
Which timeframe works best for the 9/21 EMA pair?
On Indian indices, the 9/21 pair is most commonly used on 5m, 15m charts. Pair selection should match the holding period — faster pairs for intraday, slower pairs for swing and position trades.
Is a single EMA crossover enough to trade on?
No. Standalone crossovers whipsaw heavily in ranging markets. Pair the cross with a regime filter and the multi-timeframe alignment table — both available live on emaindicator.com — to lift expectancy.