玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
25Q1 (20)1.1221.749.867.5768.8825.2281.10-17.62-9.511.35-40.53-20.1277.34-7.21-21.115.12-70.52176.08
24Q4 (19)0.920.05.7540.01105.6-22.4698.45-0.14-6.252.27-51.528.9883.35-11.52-11.717.3791.5140.19
24Q3 (18)0.9222.675.7519.468.9-44.3298.59-18.59-5.84.68-8.0680.094.20-33.3124.039.07160.27-71.03
24Q2 (17)0.75-26.47-6.2517.87-66.88-42.56121.1035.136.385.09201.1873.72141.2444.0864.79-15.05-123.63-148.45
24Q1 (16)1.0217.24-8.9353.964.5714.9389.62-14.6610.41.69-3.98-12.8998.033.8669.19-6.73-154.32-126.73
23Q4 (15)0.870.0-2.2551.6047.6486.42105.010.333.191.76-32.31-46.594.3924.2840.2112.39-60.43-67.16
23Q3 (14)0.878.750.034.9512.34115.61104.66-8.060.442.60-11.26-53.6575.95-11.39-7.1231.310.811.62
23Q2 (13)0.80-28.573.931.11-33.7492.75113.8440.23-3.782.9351.03-48.0585.7147.93-21.5331.0623.35110.86
23Q1 (12)1.1225.84-5.8846.9569.6218.8681.18-20.225.81.94-41.03-15.6557.94-13.93-3.2725.18-33.2631.56
22Q4 (11)0.892.34.7127.6870.7648.82101.76-2.34-5.093.29-41.35-32.7267.32-17.673.2737.7334.51-19.59
22Q3 (10)0.8712.9911.5416.210.4325.95104.20-11.93-10.515.61-0.53-20.6581.77-25.13-1.4228.0590.43-30.83
22Q2 (9)0.77-35.2930.5116.14-59.1478.34118.3154.19-22.785.64145.22-43.94109.2282.34-21.3614.73-23.04-39.61
22Q1 (8)1.1940.027.9639.50112.37241.1176.73-28.44-21.172.30-52.97-70.7459.90-8.11-25.7919.14-59.21-21.81
21Q4 (7)0.858.97-2.318.6044.52122.75107.22-7.922.214.89-30.83-55.165.19-21.4118.4846.9215.71-22.79
21Q3 (6)0.7832.227.8712.8742.21123.44116.44-24.0-21.397.07-29.72-55.2582.95-40.2756.9840.5566.26-63.49
21Q2 (5)0.59-36.567.279.05-21.8545.26153.2257.42-8.0710.0627.99-31.1138.8872.0534.2224.39-0.37-68.65
21Q1 (4)0.936.90.011.5838.680.097.33-7.220.07.86-27.820.080.7246.710.024.48-59.720.0
20Q4 (3)0.8742.620.08.3544.970.0104.90-29.180.010.89-31.080.055.024.130.060.77-45.290.0
20Q3 (2)0.6110.910.05.76-7.540.0148.12-11.130.015.808.220.052.84-48.930.0111.0742.760.0
20Q2 (1)0.550.00.06.230.00.0166.670.00.014.600.00.0103.470.00.077.800.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)3.39-9.12327.2449.84107.6410.051.12-32.9399.8228.28.93-58.7
2023 (9)3.73-0.8218.4056.6497.810.771.67-36.2677.8633.4621.62-47.69
2022 (8)3.7618.99139.43204.197.06-16.072.62-67.0958.34-21.1641.33-16.69
2021 (7)3.1624.4145.8566.61115.64-19.567.96-39.9774.009.3449.61-44.48
2020 (6)2.54-10.8827.5243.41143.7612.3113.26-30.2867.6858.2489.35-14.29
2019 (5)2.85-13.3719.1975.41128.0015.3519.02-42.9942.771.57104.251.99
2018 (4)3.29-0.910.9432.29110.970.9833.36-24.4242.11-8.91102.22-5.18
2017 (3)3.32-16.798.27-24.13109.8920.1144.1431.8446.234.07107.8033.83
2016 (2)3.99010.90091.49033.48044.42080.550

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