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
24Q4 (20)0.888.64-13.730.28-3.45-9.68104.00-7.5216.51324.151.529.8780.8915.5183.09347.26-3.992.1
24Q3 (19)0.810.05.190.297.41-9.38112.46-0.16-4.41319.29-5.1913.6270.0322.4570.14361.71-7.781.17
24Q2 (18)0.81-19.0-47.40.27-20.59-44.9112.6423.7190.33336.7827.0880.5957.1938.6896.33392.2224.5981.13
24Q1 (17)1.00-1.9669.490.349.68100.091.052.01-41.37265.01-10.18-51.2941.24-6.65-67.4314.82-7.44-45.05
23Q4 (16)1.0232.4712.090.31-3.1319.2389.26-24.13-11.02295.034.99-14.1144.187.34-60.51340.11-4.872.46
23Q3 (15)0.77-50.00.00.32-34.6945.45117.6598.8-0.22281.0250.69-30.5941.1641.3-73.49357.5165.1-2.72
23Q2 (14)1.54161.02381.250.49188.2488.4659.18-61.89-79.37186.49-65.73-46.6229.13-76.97-79.13216.54-62.2-56.4
23Q1 (13)0.59-35.16-57.550.17-34.62-83.96155.3054.82136.41544.1158.4535.42126.5113.07437.2572.9072.6348.42
22Q4 (12)0.9118.1824.660.2618.1813.04100.31-14.93-19.31343.51-15.16-11.89111.89-27.9336.77331.93-9.68-23.23
22Q3 (11)0.77140.62-14.440.22-15.38-21.43117.91-58.8916.19404.8815.8926.27155.2611.26103.57367.52-26.06.27
22Q2 (10)0.32-76.98-88.850.26-75.47-70.79286.84336.66803.72349.38308.01242.29139.55492.57408.01496.66288.74367.05
22Q1 (9)1.3990.41124.191.06360.87430.065.69-47.16-54.9985.63-78.04-81.4223.55-71.21-78.57127.76-70.45-74.29
21Q4 (8)0.73-18.8921.670.23-17.86-4.17124.3222.51-17.98389.8821.591.2981.817.2610.4432.3825.02-6.49
21Q3 (7)0.90-68.64136.840.28-68.54-12.5101.48219.72-58.14320.64214.1411.1376.27177.6521.43345.85225.23-26.12
21Q2 (6)2.87362.9147.410.89345.0-1.1131.74-78.25-59.44102.07-77.860.427.47-75.027.59106.34-78.6-32.86
21Q1 (5)0.623.33-6.060.20-16.67-31.03145.95-3.716.04460.9619.7645.83109.9048.3193.49497.007.4925.21
20Q4 (4)0.6057.890.00.24-25.00.0151.58-37.470.0384.9133.40.074.1017.970.0462.39-1.230.0
20Q3 (3)0.38-67.240.00.32-64.440.0242.42209.80.0288.53183.820.062.81191.730.0468.13195.570.0
20Q2 (2)1.1675.760.00.90210.340.078.25-43.150.0101.66-67.840.021.53-62.10.0158.38-60.10.0
20Q1 (1)0.660.00.00.290.00.0137.640.00.0316.090.00.056.800.00.0396.930.00.0
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)3.80-8.431.17-13.9795.939.01312.4216.5860.20-8.09348.1519.85
2023 (9)4.15-14.261.36-10.5388.0016.73267.9811.7565.503.77290.4815.24
2022 (8)4.845.681.52-0.6575.39-5.5239.800.5463.1222.25252.07-5.47
2021 (7)4.5819.271.53-2.5579.78-16.15238.522.7151.637.56266.67-4.55
2020 (6)3.84-24.111.57-25.9495.1531.95232.2234.7148.0011.03279.3738.8
2019 (5)5.0671.532.1246.2172.11-41.77172.38-31.443.23-34.03201.27-34.99
2018 (4)2.9524.471.455.84123.84-19.63251.28-5.5965.5315.68309.58-14.85
2017 (3)2.3737.791.37-1.44154.08-27.21266.151.1856.652.35363.58-13.31
2016 (2)1.72-39.011.39-29.8211.6963.43263.0542.9155.3532.01419.4054.38
2015 (1)2.82-32.541.9824.53129.5348.36184.07-19.5941.93-13.65271.671.49

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