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Mexican stocks fall 1.40% and the peso sits 4 centavos from its ceiling

Risk On Score
53/ 100
CONSTRUCTIVE
0 · risk-offrisk-on · 100

Good morning!

Mexico's index drops on its own

Mexico's IPC fell 1.40% yesterday to 64,514, the sharpest move on the board — roughly a day and a half of its usual range. Abroad, barely a ripple: the S&P slipped 0.71%, ES futures sit flat at +0.04%, and the VIX closed at 16.16, still in the cautious bucket. It reads like a local stumble with no imported risk-off wave behind it.

The ceiling tightens and I stay in the band

The peso opens at 17.0083, up a token 0.06%, which leaves it 4 centavos from the 10-day ceiling, now at 17.0435. Watch the number: that rolling top came down from 17.0669 yesterday, so the range is compressing from above while the floor holds at 16.8781.

After yesterday's crude spike through Hormuz I dropped the pro-peso bias and stepped aside, with 17.07 and a 10Y back over 4.80% as my trigger to flip toward the dollar. Neither printed: the pair never cleared 17.07 and the U.S. yield eased. I hold the neutral call, but with an explicit range thesis (16.88 to 17.07), not as a hiding place from taking a view.

The part that doesn't add up

Here's the uncomfortable bit. The 10Y eased 2bp to 4.78% and crude is backing off (WTI 89.52, -0.78%), so the Hormuz fuse is cooling. With those two tailwinds, and Chicago specs net long the peso by 82,382 contracts (up 2,930 on the week to Aug 25), the currency should be probing its floor rather than drifting toward the top. Climbing while pinned near 17.04 against that backdrop leaves me wondering who's still bidding for dollars.

Toward next week's CPI

The calendar is clear today: INEGI inflation lands on the 9th, the ECB decides on the 10th, U.S. CPI on the 11th. Until then it's flows and global appetite, with the 2s10s curve still positive at 0.41pp and no sign of stress in rates.

The Risk On score eases from 55 to 53 and stays CONSTRUCTIVE: calm-to-cautious vol and the rate carry hold it up, while a soft Bolsa and Bitcoin at 76,697 (-0.91%) drag. As long as the pair respects its band there's no edge in picking a side; the day it clears 17.07 with the U.S. yield back above 4.80%, that's when I lean dollar.

See you tomorrow for Thursday's view.

Weighted breakdown
VIX58
USD/MXN44
S&P 50052
Carry41
MXN vol81
MOVE70
Bitcoin31
2s10s curve61
Gold37
Each signal is normalized to 0-100 (100 = more risk-on) and averaged by weight. Hover to see the weight.
What the index means

The Risk On index sums up global risk appetite — with a Mexico focus — in a single 0–100 number. Depending on where it lands, the day falls into one of these four bands:

032
Risk-off
Fear in control: money runs to safety (dollar, gold, Treasuries). Usually a weak peso and markets selling off.
3349
Defensive
Caution: not panic, but the market eases off the gas. A time to protect more than to reach for risk.
5067
Constructive
Healthy appetite: a selective willingness to take risk. The peso and risk assets find support.
68100
Risk-on
Full appetite: the market buys risk with confidence. A favorable backdrop for the peso and emerging markets.

The Risk On index is a proprietary indicator, designed and maintained by Mauricio Mercenario. It is a market-reading tool, not investment advice.

What happened after this view?
USD/MXN +5d
-0.47%
USD/MXN +10d
S&P +5d
-0.98%
S&P +10d

Market return over the trading days after publication. For USD/MXN, negative = the peso appreciated. Automatic evaluation — not investment advice.

ShareX

Index at the time of this note (2026-09-02) — the live value on the homepage may have changed.

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