The takeaway
Grupo Aeroportuario del Centro Norte SAB de CV shows a moderate seasonal pattern over 10 years of data — strongest in March (+1.5%) and softest in October (−2.9%).
Right now
In July, the stock has risen 60% of years, averaging +1.5%, roughly 0.6 pts behind the S&P 500.
The full picture
Grupo Aeroportuario del Centro Norte SAB de CV's most dependable month has been March, higher in 8 of 10 years; October has been its least reliable, up just 30% of the time.
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Month by month
The stock's clearest edge over the S&P 500 lands in December (+4.2 pts); it has trailed the market most in October (−3.9 pts).
“vs S&P” is Grupo Aeroportuario del Centro Norte SAB de CV’s average for a month minus the S&P 500’s average for that same month — isolating Grupo Aeroportuario del Centro Norte SAB de CV’s own seasonal edge from broad market drift.
Reality check
Over the last 5 years, March has closed higher 100% of the time versus 80% across the last 10 years — the pattern is strengthening.
Figures are the typical (median) March return and how often it rose — the last 5 years versus the last 10(the heatmap’s default window). This verdict stays anchored to that 10-year window even if you zoom the chart, so it never disagrees with the badges above.
In plain English
Dependability is the through-line here. March stands out, higher in 8 of 10 Marches, but it heads a clutch of months that pull the year reliably upward.
Its average (+1.5%) and median (+5.1%) land within a hair of each other — the tell of steady, year-after-year gains rather than one outlier doing the work. That reliability comes with real swings, mind — even March ranges by 17.8% from year to year, so any single year can land far from the average. Set against the S&P 500, mind, March is close to a wash — the gain mirrors the market more than it beats it. That consistency sets it apart from the field, where the average stock manages March only about 56% of the time.
The strength clusters rather than stands alone — March–July forms a firm stretch that carries much of the year. The weaker half of the year is plainer: October has been the soft spot — the weakest of 2 months that average a loss (−2.9%), and the edge isn't year-round — the stock has trailed the S&P 500 in October, July, and September.
March has now closed higher 5 years running. If anything it has sharpened recently — the last five Marches run ahead of the earlier years.
The takeaway is less about when to buy than what to expect: March aside, the stock's months offer little reliable tilt.
Short answers on the stock's best month (March), its worst (October), and whether it really trades seasonally.
Yes, to a moderate degree. Since 2016 its best month (March, +1.5%) has run well ahead of its worst (October, −2.9%) — the heatmap above shows how steady that gap has been year to year.
March has been the strongest, averaging +1.5% and closing higher in 8 of 10 years since 2016.
It's the weakest, averaging −2.9% — historically a soft spot, though it still varies from year to year.
Explore
These names have the strongest July track records on record — a starting point for comparison.
Before you trade