Endorsements are the largest stream at the top of the sport, often a multiple of prize money, and they are earned by performance times marketability, two factors the engine reads separately and never collapses. Marketability is its own object, so a high KR alone does not produce a large endorsement number. The stream is more persistent than prize money and two-sided, a price on the golfer and a return for a sponsor, so the engine prices it both ways and holds price and value apart. Every dollar figure lives in the Value Reference, flagged v0.
The endorsement stream is performance times marketability, and the engine reads the two factors separately. Performance is the KR-driven on-course read, ranking and majors and form. Marketability is its own object with its own drivers: reach and brand, market size and nationality, likeability and profile, and the spikes a major win or a signature moment produces. A high KR alone does not produce a large endorsement number. High KR times high marketability does. Move each factor on its own and watch the stream respond.
The two factors move the number differently. Lift performance and the stream grows in proportion to the read. Lift marketability, the reach and the market and the profile, and the same performance produces a far larger stream. The engine never folds them into one figure, because a golfer can be a strong player with a thin book or a moderate player with a large one, and only reading the factors separately tells you which. A high KR alone is a flat strip. The number lives in the second factor.
Illustrative engine read on the real two-factor structure (performance times marketability, marketability decomposed into reach and brand, market and nationality, likeability and profile, and the major and signature-moment spikes). Composite golfer, demonstration figures, all dollars v0 and in the Reference.
Endorsement income does not behave like prize money. It does not zero out on a missed cut, it decays more slowly than competitive results, and it holds a steadier line than the zero-floor streams. And it is two-sided. It is a price a sponsor pays and, at the same time, a return that sponsor earns in reach and performance, so the engine prices it both ways, what the sponsor pays against what the golfer returns. The same golfer is worth a different number to a global equipment brand, a domestic apparel label, and a luxury brand, because each is buying a different return.
Persistence is why the stream anchors the top of the sport. A missed-cut stretch takes prize money to its floor while the endorsement book barely moves, so the engine models the two on different decay curves and never treats the endorsement line as if it swung with results. And because the stream is two-sided, price and value stay separate numbers: what a sponsor paid is the realized price, what the golfer returns to that party is the value, and value is value-to-party, different to every brand and market. A price on the golfer and a return for the sponsor, the same deal read from both ends, never merged.
Illustrative engine read on the real persistence-and-two-sidedness structure (the slow-decay endorsement line against the zero-floor prize line, the sponsor-pays price against the golfer-returns value, value-to-party across brand, market, and category). Composite golfer and parties, demonstration figures, all dollars v0.
Endorsements are the stream where two golfers of equal KR most diverge in total earnings, because one is far more marketable. Here are two composites with the same on-course read and very different endorsement totals. The engine does not treat the larger total as the better golfer. It names the marketability gap that produced it, the reach, the market size and nationality, the profile, and the major that spiked one book and not the other, so the divergence is explained rather than mistaken for a difference in play.
This is the sharpest expression of price is not value in the sport. The two golfers earn wildly different totals off an identical KR, and the entire gap sits in the marketability factor, not the performance factor. The engine reports both totals, holds the KR read equal, and attributes the difference to marketability by name, because the bigger check is a read on marketability, not on golf, and the engine will not let it pose as the better player. Equal KR, wildly unequal totals, and the engine hands you the marketability gap that produced it.
Illustrative engine read on the real equal-KR divergence (two composite golfers of identical KR, very different endorsement totals, the marketability gap named driver by driver). Composite golfers, demonstration figures, all dollars v0 and in the Reference.
The engine reads performance and marketability as two separate factors and multiplies them, treating marketability as an object with its own drivers, reach and brand, market and nationality, profile, and the spikes majors and signature moments produce. It prices the stream both ways, what a sponsor pays and what the golfer returns, on a slower-decaying line than prize money that does not zero out on a missed cut. And where two golfers of equal KR earn wildly different totals, it names the marketability gap that made it, because the bigger check is a read on marketability, not on golf, and the engine will not let it pose as the better player.
The endorsement read multiplies performance by marketability, prices the stream both ways, and hands the marketability gap to the value, the representation, and the governance layers, holding price and value apart and never letting the bigger number pose as the better golfer.