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
近3年股價
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
24Q1 (20)4.72-11.4451.774.47-46.34-73.5719.2712.89-34.1220.3686.28278.4414.64130.91766.2724.9915.43-24.16
23Q4 (19)5.33-29.0374.188.33-48.0-34.217.0740.96-42.6810.9392.4352.026.3453.5156.9321.6558.49-34.25
23Q3 (18)7.5165.42180.2216.0212.5108.3212.11-39.51-64.335.68-11.11-51.994.1314.4-39.013.66-40.11-64.98
23Q2 (17)4.5445.9811.014.24-15.7932.3420.02-31.56-10.026.3918.77-24.473.61113.61-23.0322.81-30.77-12.34
23Q1 (16)3.111.63-49.9216.9133.575.1629.25-1.7899.525.38-25.17-4.951.69-58.17-51.0132.950.0695.32
22Q4 (15)3.0614.1820.9512.6664.6392.6929.78-12.28-17.057.19-39.22-48.124.04-40.32-50.032.93-15.59-20.99
22Q3 (14)2.68-34.4783.567.69-28.5387.133.9552.58-45.5811.8339.83-46.576.7744.35-55.1439.0149.92-43.82
22Q2 (13)4.09-34.1466.9410.76-33.0855.0422.2551.77-40.168.4649.47-35.524.6935.94-44.2326.0254.24-37.88
22Q1 (12)6.21145.4538.3116.08144.75134.414.66-59.16-27.645.66-59.16-57.353.45-57.3-2.8216.87-59.52-43.73
21Q4 (11)2.5373.2922.226.5759.85205.5835.90-42.46-18.1713.86-37.4-67.278.08-46.4529.4941.68-39.98-47.89
21Q3 (10)1.46-40.41-40.414.11-40.7888.5362.3967.8167.8522.1468.75-46.9615.0979.43-7.4869.4465.7710.91
21Q2 (9)2.45-45.43-2.786.941.17279.2337.1883.512.9313.12-1.13-73.68.41136.9-67.6341.8939.73-29.98
21Q1 (8)4.49116.9186.316.86219.07234.6320.26-53.82-46.3313.27-68.67-70.163.55-43.11-82.7829.98-62.52-51.34
20Q4 (7)2.07-15.51-52.32.15-1.380.9443.8718.03109.242.351.46-0.736.24-61.74-68.2179.9827.7481.77
20Q3 (6)2.45-2.78-29.62.1819.1360.2937.172.9142.2541.74-16.0-37.6616.31-37.22-52.8562.614.657.01
20Q2 (5)2.524.56-38.241.83-10.733.3936.12-4.3262.0549.6911.74-3.2125.9826.06-0.9559.83-2.8926.22
20Q1 (4)2.41-44.470.02.05-3.760.037.7580.020.044.474.240.020.614.990.061.6140.020.0
19Q4 (3)4.3424.710.02.1356.620.020.97-19.750.042.66-36.290.019.63-43.250.044.00-24.80.0
19Q3 (2)3.48-14.710.01.36-23.160.026.1317.230.066.9630.420.034.5931.870.058.5123.440.0
19Q2 (1)4.080.00.01.770.00.022.290.00.051.340.00.026.230.00.047.400.00.0
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
2023 (10)13.50-2.6753.54-3.5827.042.776.823.812.27-25.8231.595.94
2022 (9)13.87-4.6755.53141.8626.314.866.57-58.683.066.2529.82-21.73
2021 (8)14.5539.7722.96169.4825.09-28.4415.90-62.892.88-76.5338.10-41.96
2020 (7)10.41-26.488.5234.3835.0636.0542.85-25.5812.27-47.0465.649.07
2019 (6)14.1690.326.34183.0425.77-47.4757.58-64.6123.17-63.3360.18-59.49
2018 (5)7.44104.42.243.749.06-51.13162.70-3.8163.19-37.0148.57-12.21
2017 (4)3.6423.392.16-19.7100.39-18.89169.1424.45100.3017.97169.23-3.1
2016 (3)2.9513.92.693.07123.77-12.18135.91-2.7885.0233.74174.65-19.58
2015 (2)2.59-24.932.61-21.39140.9433.06139.8027.0263.5719.43217.1733.44
2014 (1)3.457.813.329.93105.92-7.17110.06-9.053.23-29.26162.751.85

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