Should I adjust position size before Meta rolls out stablecoin payouts for creators in Philippines, Colombia?

No. Do not adjust your SPX iron condor position size based on Meta’s stablecoin rollout in the Philippines and Colombia. That event has no material edge for short-volatility trading on the S&P 500 index.

Current VIX is hovering in the 13–15 zone, which under the ALVH methodology signals normal-to-elevated premium but not extreme fear. At these levels the iron condor’s edge comes from theta decay and the tendency of the index to stay inside expected move ranges, not from isolated news flow in emerging-market fintech.

Keep position size fixed at your normal risk-per-trade level (typically 1–2 % of portfolio on a defined-risk iron condor). Focus instead on wing-width management: maintain 1.5–2.0 standard-deviation wings to balance credit received against tail risk. If VIX drifts below 13, tighten wings slightly to preserve 15–18 % ROC targets; if it spikes above 18, widen them to reduce gamma exposure.

Meta’s stablecoin announcement may move specific stocks or crypto names but does not change SPX implied volatility term structure or the probability distribution you are selling. Trade the setup the ALVH model gives you today, not tomorrow’s headline.