As the cite of our Tail Reaper programme implies, it is designed to create goodness from tail events. It did hence (+20.07%) during August-December, 2015’s Chinese stock marketplace crash (even though it trades alone the E-mini S&P 500 index futures), it did hence (+18.38%) during February-March, 2018’s “volmageddon”, together with directly it did it in 1 trial to a greater extent than (+12.98%) during February, 2020’s Covid-19 crisis. (As of this writing, March is upwards over 21% gross.) There are many names to this strategy: some telephone phone it “crisis alpha”, others telephone phone it “convex”, “long gamma” or “long vega” (even though no options are involved), “long volatility”, “tail hedge”, or only manifestly one-time “trend-following”. Whatever the cite or description, it commonly enjoys outsize render when at that topographic point is existent panic. (But of course, PAST PERFORMANCE IS NOT NECESSARILY INDICATIVE OF FUTURE RESULTS.) Furthermore, our strategy did hence without asset whatever overnight positions.
Why is a trend-following strategy profitable inwards a crisis? Influenza A virus subtype H5N1 unproblematic illustration volition suffice. If a curt merchandise is triggered when the render (from some chosen benchmark) exceeds -1%, together with then the merchandise volition endure really profitable if the marketplace ends upwards dropping -4%. Vice versa for a long trade. (As recent marketplace actions convey demonstrated, prices exhibit both left together with correct tail movements inwards a crisis.) The trick, of course, is to uncovering the correct benchmark for the entry, together with to uncovering the correct travel out condition.
Naturally, insurance against marketplace crash isn’t completely free. Our destination is to forestall the insurance cost, which is essentially the loss that the strategy suffers during a stretch of bull market, from beingness likewise high. After all, if insurance were all nosotros want, nosotros could convey only bought lay options on the marketplace index, together with watched it lost premium every calendar month inwards “good” times. To forestall the loss of insurance premium requires a dose of marketplace timing, assisted past times our machine learning programme that utilizes many, many factors to predict whether the marketplace volition endure extreme movements inwards the adjacent day. In most years, the cost (loss) is negligible despite the long bull market, except inwards 2019 when nosotros lost 8.13%. That year, which seems a long fourth dimension ago, the SPY was upwards 30.9%. (It was inwards the August of that twelvemonth that nosotros added the machine learning run a hazard administration layer.) But most investors convey a substantial long exposure. Influenza A virus subtype H5N1 proper asset allotment to both Tail Reaper together with to a long-only portfolio volition smoothen out the annual returns together with hopefully eliminate whatever losing year. (Again, PAST PERFORMANCE IS NOT NECESSARILY INDICATIVE OF FUTURE RESULTS.)
But why should nosotros worry close a losing year? Isnt’ sum render all investors should attention about? Recently, Mark Spitznagel (who co-founded Empirica Capital amongst Nassim Nicholas Taleb) wrote a serial of interesting articles. It argued that fifty-fifty if a tail hedge strategy similar ours returns an arithmetics average render of 0%, equally long equally it provides outsize positive returns during a marketplace crisis, it volition endure able to significantly improves the chemical compound increment charge per unit of measurement of a portfolio that includes both an index fund together with the tail hedge strategy. I convey previously written a somewhat technical blog post on this mathematical curiosity. The heart of the declaration is that the chemical compound increment charge per unit of measurement of a portfolio is m-s^2/2, where one thousand is the arithmetics hateful render together with sec is the criterion difference of returns. Hedging tail run a hazard is non only for the psychological comfort of having no losing years - it is mathematically proven to ameliorate long-term chemical compound increment charge per unit of measurement overall.
For farther reading on convex strategies, delight encounter the papers past times Paul Jusselin et al “Understanding the Momentum Risk Premium: An In-Depth Journey Through Trend-Following Strategies” together with Dao et al “Tail protection for long investors: Trend convexity at work” (Hat tip to Corey Hoffstein for leading me to them!)
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