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)0.78-16.13136.362.80-10.5476.1116.8919.23-57.3632.4511.51-43.34121.4126.96-45.0727.93-11.33-74.7
23Q4 (19)0.9336.76-12.263.1329.3442.2798.04-26.3814.229.10-22.59-29.7695.63-16.06-6.1831.50-44.5824.31
23Q3 (18)0.6821.43-49.632.4219.2179.26133.17-18.5798.0837.59-15.94-44.22113.92-1.35-1.8256.84-38.73205.76
23Q2 (17)0.5669.7-28.212.0327.67118.28163.53-40.3539.7544.72-21.91-54.29115.48-47.75-31.9792.77-15.95105.61
23Q1 (16)0.33-68.87-53.521.59-27.73-51.38274.14219.32115.3557.2738.23105.93221.03116.84109.53110.38335.6122.45
22Q4 (15)1.06-21.4817.782.2062.96-58.885.8527.7-14.7941.43-38.52143.13101.93-12.1538.1425.3436.31-42.4
22Q3 (14)1.3573.0853.411.3545.16-75.3267.23-42.55-34.7567.39-31.12305.23116.03-31.6462.1218.59-58.8-61.35
22Q2 (13)0.789.86-30.360.93-71.56-77.64117.02-8.0843.8397.84251.82347.58169.7460.91156.1345.12-9.0722.11
22Q1 (12)0.71-21.11-38.263.27-38.7643.42127.3026.3560.4327.8163.2-30.48105.4942.9628.8749.6212.832.39
21Q4 (11)0.902.275.885.34-2.38223.64100.75-2.22-6.0117.042.47-69.0573.793.1-23.6243.99-8.54-32.99
21Q3 (10)0.88-21.43-12.875.4731.49179.08103.0426.6514.6416.63-23.92-64.1771.578.0-5.1248.1030.18-20.95
21Q2 (9)1.12-2.610.04.1682.46173.6881.362.530.2321.86-45.35-63.5166.27-19.04-20.8336.95-1.41-35.58
21Q1 (8)1.1535.29-15.442.2838.1841.6179.35-25.9718.9740.00-27.35-29.1881.86-15.276.137.48-42.91-18.56
20Q4 (7)0.85-15.84-6.591.65-15.82-15.82107.1919.266.8955.0618.6418.8296.6128.0810.6365.657.8910.73
20Q3 (6)1.01-9.82-22.311.9628.95-45.2589.8810.7328.3446.41-22.5282.5775.43-9.8941.2360.856.0844.78
20Q2 (5)1.12-17.6513.131.52-5.59-31.2281.1721.69-11.9559.906.0645.7183.718.5-0.8257.3624.6417.3
20Q1 (4)1.3649.450.01.61-17.860.066.70-33.490.056.4821.880.077.15-11.660.046.02-22.380.0
19Q4 (3)0.91-30.00.01.96-45.250.0100.2843.20.046.3482.30.087.3363.510.059.2941.070.0
19Q3 (2)1.3031.310.03.5861.990.070.03-24.040.025.42-38.170.053.41-36.720.042.03-14.050.0
19Q2 (1)0.990.00.02.210.00.092.190.00.041.110.00.084.400.00.048.900.00.0
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)1.75-46.488.17-58.04208.8786.8944.66138.31203.55118.3549.9834.07
2022 (9)3.27-8.6619.4792.2111.769.6318.74-47.9793.220.0637.28-16.79
2021 (8)3.58-19.9110.1339.72101.9424.8836.02-28.4793.167.1544.80-0.55
2020 (7)4.47-1.977.25-22.5481.631.9550.3629.1986.947.8745.0517.17
2019 (6)4.5615.449.36-5.8480.07-13.3438.986.1580.602.4138.45-23.73
2018 (5)3.955.339.9412.9592.40-5.1436.72-11.578.705.8150.41-21.87
2017 (4)3.7511.618.80-19.8597.41-10.3741.4924.8274.38-18.5764.5227.54
2016 (3)3.361.210.98-32.56108.68-1.1133.2448.2691.34-1.0950.5926.54
2015 (2)3.32-12.6316.28-63.28109.9014.3822.42172.4292.3520.4539.9844.7
2014 (1)3.802.744.3427.3496.08-2.658.23-21.4776.67-17.3227.6367.96

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