Audemars Piguet Royal Oak 15500ST blue dial steel watch
Audemars Piguet·Ref. 15500ST·Stainless steel

AP Royal Oak 15500ST

$44,778Range: $42,914 – $46,424mediumUpdated Nov 4, 2026 · Model v1.2

Executive Summary

SignalHold

Fair Value

$44,778

30-Day

+1.8%

90-Day

+2.1%

Confidence

49/100

Analysis

Positive momentum (+1.8% recent trend)3 independent data sourcesStrong liquidity (108 comps)

Algorithmic signal based on public market data. Not financial advice.

Fair Value

$44,778

108 comps

Ask Median

$44,778

108 listings

Sold Median

—

0 results

Confidence

Medium

49/100

Market Trend

+1.8%

30 days

Momentum

Slightly bullish

Market Intelligence

Market Liquidity

High

159 comps across 3 sources

Last Observation

Nov 4, 2026

Most recent data point

Data Sources

Phillips
6 auctions6
Chrono24
152 listings152
firstdibs
1 listing1

Valuation History

Auction Results

SourceTitleSoldDate
PhillipsPIGUET$42,266Sep 17, 2025
PhillipsPIGUET$35,763Mar 19, 2024
PhillipsPIGUET$45,517May 24, 2023
PhillipsPIGUET$56,896Mar 28, 2023
PhillipsPIGUET$64,512Jul 21, 2022
PhillipsPIGUET$36,725Jun 28, 2020

How this value is calculated

The LuxMetrix fair value blends two independent signals: what sellers are asking on marketplaces (weighted 40%) and what buyers have actually paid at auction (weighted 60%). Outliers are removed using IQR filtering, and a confidence score reflects data quality.

Read the full methodology →

Frequently asked questions

How much is a AP Royal Oak 15500ST worth?

As of Nov 4, 2026, the AP Royal Oak 15500ST (Ref. 15500ST) has a LuxMetrix fair market value of $44,778, typically ranging $42,914–$46,424. The estimate blends 108 live data points — 108 marketplace listings and 0 auction results — normalized to USD.

Is the Audemars Piguet Royal Oak a good investment?

Over the last 90 days the AP Royal Oak 15500ST's fair value has moved +2.1%. LuxMetrix tracks its value daily from real auction and marketplace data so you can judge momentum rather than guess; current confidence in the estimate is rated medium.

How many Audemars Piguet Royal Oak watches are for sale?

LuxMetrix is currently tracking 108 marketplace listings and 0 recent auction results for the AP Royal Oak 15500ST (Ref. 15500ST).

How does LuxMetrix value the Royal Oak?

Each fair value blends what sellers ask on marketplaces (weighted 40%) with what buyers actually paid at auction (weighted 60%). Outliers are removed via IQR filtering, prices are normalized to USD, and a confidence score reflects data quality. See luxmetrix.com/methodology.