Similar forecast accuracy, different market outcomes. Our new video examines belief correlation, order synchronization and an execution-timing placebo in a controlled market simulation.
Watch the full 13-minute video:
https://t.co/UgyiyuUdTm
Forecast quality is not one-dimensional.
Two questions:
Can volatility forecasts be statistically different yet decision-equivalent?
Can cross-model disagreement act as an ex-ante signal of conditional fragility?
Video companions:
Different Volatility Forecasts, Same Portfolio? Decision Equivalence Explained
https://t.co/u3hkEW3Pg7
Can Model Disagreement Warn of Volatility Forecast Failure?
https://t.co/DvwENNwJzq
Papers:
SSRN 7422079
https://t.co/x2uvYHb9gS
SSRN 7423900
https://t.co/wPagbjG1o6
New paper on SSRN.
Volatility model comparison is conditional on the evaluation criterion, the volatility proxy, and the market environment.
In finite samples, a superior model set may be more defensible than a unique winner.
https://t.co/q5DT4YhgCk